Germs that can be killed with antibiotics.

Single-celled organisms that have a very simple cell structure and no distinct nucleus. Some bacteria cause diseases, like pneumonia and tuberculosis, but others are necessary to all life on Earth because they break down dead organic material.

Microorganisms that break down organic materials in the first stages of composting. It is bacteria that generate the heat associated with hot composting. The three types of bacteria are psychrophilic, mesophyllic, and thermophilic.

Very small (thousandths of a millimetre) organism consisting of a single cell without an organised nucleus. They can be found in their billions virtually anywhere in nature. Most are harmless but some invade the body and cause infections such as meningitis and pneumonia.

A large, widely distributed group of typically one-celled micro-organisms.

Unicellular micro-organisms which typically reproduce by cell division. Although usually classed as plants, bacteria contain no chlorophyll.

single cell prokaryotic organisms.

Unicellular prokaryotic organisms that lack a membrane-bounded nucleus.

Bacteria are a major group of micro-organisms that live in soil, water, plants, organic matter, or the bodies of animals or people. They are microscopic and mostly unicellular, with a relatively simple cell structure.

microorganisms which are widely distributed in nature.Certain bacteria live in perfect harmony with our body and become pathogen under certain conditions.

Single celled organisms having no cellular nucleus. Pathogenic bacteria are capable of causing disease. Coliform bacteria are prolific in the intestines of warm blooded animals and are used as an indicator of fecal waste pollution.

Microscopic single cell organisms found almost everywhere. Lactic acid-producing bacteria are useful and essential in the production of most cheeses. Bacteria linens A red bacteria which is encouraged to grow on the surfaces of cheeses like Brick, Havarti, Tilsit and Limburger, to produce a characteristic flavour. The full name of the organism is Brevibacterium linens.

One of the three domains of life. Like Archaea, they are all microorganisms and lack a nucleus. Bog: Peatlands dominated by Sphagnum moss and typically low pH. See Types of Peatlands for more information.

One of the three domains of life (the others being Eukarya and ARCHAEA), also called Eubacteria. They are unicellular prokaryotic microorganisms which generally possess rigid cell walls, multiply by cell division, and exhibit three principal forms: round or coccal, rodlike or bacillary, and spiral or spirochetal. Bacteria can be classifed by their response to OXYGEN: aerobic, anerobic, or facultatively anerobic; by the mode by which they obtain their energy: chemotrophic (via chemical reaction) or phototrophic (via light reaction); for chemotrophs by their source of chemical energy: lithotrophic (from inorganic compounds) or organotrophic (from organic compounds); and by where they get their CARBON: heterotrophic (from organic sources) or autotrophic (from CARBON DIOXIDE). They can also be classifed by whether or not they stain (based on the structure of their CELL WALLS) with CRYSTAL VIOLET dye: gram-negative or gram-positive.

single celled organisms non-green (except the blue-green bacteria {algae}) which have cell wall compositions different than other living organisms. LINK to bacteria page

single-celled microorganisms that belong to the kingdom Monera. Bacteria are among the smallest, simplest, and oldest types of cells.

Single-cell organisms that can reproduce in the human gut and cause vomiting and diarrhea, bacteria also cause acute health problems that can kill AIDS and cancer patients. See chlorine, fecal coliform, protozoan.

Bacteria are sometimes called germs. Many of them are useful for water or sewage treatment processes. Some cause disease. A huge population of them exists on human skin and in the human intestine.

Single cell microorganisms not containing chlorophyll. Germs.

Organisms making up one of the three branches of the phylogenetic tree of life. Their cells do not contain a defined nucleus and they are genetically and biochemically distinct from the Archaea. See Eukaryotes and Archaea.

used in composting to generate the heat associated in hot composting. There are three types: psychrophilic, mesophyllic, and thermophilic. A single-celled, microscopic, plantlike organism that lacks a nucleus. Most bacteria obtain their nitrogen and energy from organic matter; some bacteria cause plant or animal diseases.

Single celled organisms that require a host plant or some other organic material as a food source.

single-celled infectious agents, larger than viruses. Bacteria can be free-living or parasitic, disease causing or living in symbiosis with another organism (mutual benefit to both organisms). Some bacteria can produce spores. Associated terms: bacterial disease, bacteriological.

Single-celled microorganisms of various form, some of which can cause infections or disease. See Superchlorination.

Microscopic one-celled plants. Some bacteria are harmless or even beneficial; others can cause infection. Most prostate infections are caused by common forms of bacteria found in the gastrointestinal system.

Microscopic organisms living in soil, water, organic matter, or the bodies of plants and animals characterized by lack of a distinct nucleus and lack of ability to photosynthesize. Singular: Bacterium.

Prokaryotic, one-celled organisms. Some transmit diseases. Most act as decomposers and get the nutrients they need by breaking down complex organic compounds in the tissues of living or dead organisms into simpler inorganic nutrient compounds.

a large and diverse group of microorganisms that perform many important functions, such as enriching soil fertility.

Microorganisms that may be found in meads or on equipment that is not sterilized. Different from yeasts, bacteria are often responsible for spoilage or for turning to vinegar. Yeasts that remain on unsterilized equipment and in unsterilized meads usually result in off-flavors, not outright spoilage. You can usually tell if your mead is spoiled by bacteria because it will develop an unpleasant (or vinegar) odor and a film will appear on top of a finished wine, indicating that oxidation has taken place.

(bac-te'-ri-a) Single-celled microorganisms that lack chlorophyll (the green plant pigment essential to photosynthesis) and an evident nucleus. Most bacteria are capable of decomposing or breaking down organic matter. basalt (ba-salt') A dark-colored mafic (having a composition rich in iron and magnesium) igneous rock, commonly extrusive but locally intrusive in dikes, composed chiefly of calcic plagioclase and clinopyroxene, although nepheline, olivine, orthopyroxene, or quartz may be present. Basalt is the fine-grained equivalent of gabbro. Basalts typically have low viscosity and therefore occur in lava flows.

Single-celled microorganisms that are commonly found in most environments. Some bacteria can cause infectious diseases.

A one-celled microorganism that can either help or harm the functioning of the body.

microscopic one-celled organisms that are the cause of many diseases.

A group of one-celled microorganisms that are mostly disease producing.

Unicellular prokaryotic microorganisms which typically reproduce by cell division.

The germs that can contaminate your pool. Introduced by swimmers, dust, rain storms and other elements.

one of the two major classes of prokaryotic organism.

One-celled organisms, without a nucleus, classed as plants.

One-Celled organisms - some of which cause disease and/or infection.

Single-celled microorganisms, about one micrometer (one thousand nanometers) across.

Single celled microorganisms ranging from harmless and beneficial to intensely virulent and lethal.

an organism responsible for infection

Single cell micro-organisms. Some of these cause diseases if they get into the body through a cut, the digestive system, respiratory system etc. Most bacterial infections can be cured by antibiotics, but there are some bacteria which are becoming resistant.

microscopic one-celled organisms. Some are helpful. Harmful bacteria may cause disease. Our laboratory makes thousands of tests each year to insure that our drinking water is free of disease-causing bacteria.

microorganisms that can cause infections.

a class of microscopic organisms (that is, living things that are so small they cannot be seen without a microscope), many of which cause diseases

Major groups of living organisms with simple cell structures. Many pathogens are bacteria.

A large group of microscopic single cell organisms. Some of these cause disease in humans.

one-celled microorganisms. Bacteria may be free-living, saprophytic (feed on dead or decaying organic matter) or pathogenic (cause disease).

Unicellular micro-organsims.

One-celled microorganisms, some of which cause infection. The nature, severity and outcome of any infection caused by a bacterium depends on the species of the bacterium.

Microscopic, single celled life forms that are so diverse, they can be found living virtually everywhere on earth

Single cell organisms and most prevalent form of life on Earth. Bacteria are also known as prokaryotes (together with Archaea; formerly bluegrass algae) referring to the single compartment inside the cell and missing a membrane delineated cell nucleus found in all eukaryotes. Examples are Escherichia coli (E.coli), Salmonella typhimurium (S. typhi), Mycobacterium tuberculosis (M.tuberculosis), or Helicobacter pylori (H.pylori).

Microscopic living organisms that may live in the soil, water or air, or live on or within plants and animals. Many are harmless to humans, but some can lead to infections.

tiny creatures making up a division (Bacteria) of microorganisms that are typically one-celled, have no chlorophyll, multiply by simple division, and can be seen only with a microscope: They occur in three main forms, spherical (cocci), rod-shaped (bacilli), and spiral (spirilla); some bacteria cause diseases such as pneumonia and anthrax, and others are necessary for fermentation, nitrogen fixation, and so on.

A tiny one-cell organism that reproduces by cell division.

(bak teer´ ee ah) (singular: bacterium) [Gr. bakterion: little rod] • Prokaryote in the Domain Bacteria. The chromosomes of bacteria are not contained in nuclear envelopes.

Any of various single-celled microorganisms to be found everywhere. With respect to food and humanity, some are very benficial while others can cause illness or death.

Large group of unicellular (one-celled) filamentous microscopic organisms lacking chlorophyll that multiply rapidly by simple fissure (division).

Microscopic organisms that are ubiquitous in nature. They normally inhabit the skin, mouth and nose, and lower intestines. Many types do not cause disease in healthy subjects. Some have a greater propensity to be disease-causing, especially if natural defenses are weakened by disease or cytotoxic treatment.

Microscopic organisms that are found everywhere. Some are harmless while others are responsible for a variety of illnesses ranging from common ailments such as gastroenteritis to conditions such as meningitis.

A microscopic organism that invade human cells, multiply rapidly and produce toxins that interfere with normal cell functions.

Single-celled microorganisms, some of which can invade and multiply in the body, causing disease. Foodborne illness bacteria include Salmonella, Shigella, Staphylococcus aureus, Streptococcus pyrogenes, Campylobacter jejuni, Enterohemorrhagic and Enterotoxigenic Escherichia coli, Vibrio and Yersinia enterocolitica. Between 1988 and 1992, 79 percent of foodborne illness outbreaks were bacterial. Inadequate cooking and storage temperatures, cross-contamination and poor personal hygiene are the primary contributing factors of bacterial foodborne illness.

One celled microorganisms which do not have a nuclear membrane.

Single-cell microorganisms that may be capable of causing disease.

single-celled, microorganisms. Can vary from harmless to pathogenic and include such types as E. Coli and pseudomonas aeruginosa. Bacterial growth is the direct result of inadequate sanitation and is affected by such factors as bather load, pool or spa cleanliness, water temperature, water chemistry and filtration.

Simple cellular microorganism that reproduces by cell division. Some species of bacteria can cause disease.

Microscopic, single cell organisms found everywhere. Bacteria are integral to the production of every type of cheese. They promote complex flavor development, rind growth, and acidification. The large majority of bacteria in cheese are beneficial and non-pathogenic.

One-celled simple organisms, varieties of which live in nearly every environment on Earth. Some bacteria are pathogens, but most are not. ( see also)

a group of single-celled microorganisms that live in colonies in the soil, water, or in organic matter Minnehaha Journey of a Raindrop

single-celled, microscopic prokaryotes

Microscopic organisms that reproduce rapidly under the right conditions. Can be either detrimental or beneficial to ponds. Water treatment

Single-celled microorganisms, some pathogenic, that are common in the environment and in and on the body.

Prokaryotic unicellular round, spiral, or rod-shaped single-celled microorganisms that are often aggregated into colonies or motile by means of flagella, that live in soil, water, organic matter, or the bodies of plants and animals. Examples of bacteria that may contaminate water systems include coliform, salmonella, Legionella, and E coli.

A large group of one-celled microorganisms widely distributed in nature. See microorganism.

Superkingdom of organisms, all single-celled and lacking nuclei, distinct from Archaea and Eucarya.

Tiny, one-celled microorganisms found in the environment. Bacteria multiply rapidly in food under the right conditions, and some bacteria can cause foodborne illness. Helpful bacteria can be used to make yogurt, vinegar and some cheeses.

A microscopic organism that consists of a single cell

single-cell organisms that use oxygen to decompose wastes and dead organisms.

a common infection that causes sore throats, but in rare cases it can rapidly overwhelm the body and prove fatal

a mutated strain of one that commonly causes "Strep Throat", a disease that seemingly passes through our school systems every Spring and Fall

a one-celled organism that can only be seen with a microscope

a single cell life form

a single, self-contained, living cell

a type of germ that is very small but it can be seen easily under a microscope

one celled organism that causes disease

The small one-celled microorganisms of the class Schizomycetes. Some are round (cocci), rod-shaped (bacilli), spiral (spirochetes), or comma-shaped (vibrios). The nature, severity, and outcome of any infection caused by a bacterium depends on the species.

organism that can cause infection.

microscopic organisms composed of a single cell and lacking a defined nucleus and membrane-enclosed internal compartment.

Microscopic unicellular organisms, typically spherical, rodlike, or spiral and threadlike in shape, often formed into colonies. Some bacteria cause disease, whereas others perform an essential role in nature in the recycling of materials; for example, by decomposing organic matter into a form available for reuse by plants.

A group of one-celled organisms that can be viewed only through a microscope. Most do no harm; however, if the immune system is lowered, some can cause disease.

One-celled organisms, too small to see with the naked eye, that reproduce by cell division and usually have cell walls; can be shaped like spheres, rods or spirals and can be found in virtually any environment.

Minute plant organisms containing one cell each that reproduces by cell division.

the most common infection-causing microorganisms

a large group of one-celled microorganisms that multiply by fission or by forming spores; certain species cause diseases in humans.

tiny microscopic organisms having round, rodlike, spiral, or filamentous single-celled or noncellular bodies.

Microscope organisms which are introduced into the swimming pool via swimmers, dust, rain and other elements. A large number are harmless (non-pathogenic) whereas others are harmful (pathogenic) giving rise to disease.

Single-celled microorganisms that are either free-living or grow on and derive nourishment from dead or decaying organic matter. Some bacteria cause disease in plants and animals.

A tiny, usually single celled organism. There are many bacteria in the soil and they have a wide range of roles. Some break down lignin, others convert nitrite to nitrate or sulphur to sulphate and still others make nitrogen for the plant, eg Rhizobia for legumes.

the plural term for bacterium meaning one-celled microorganisms

Infectious organisms that might cause sinusitis, bronchitis, or pneumonia

means single-cell microorganisms without distinct nuclei or organized cell structures.

microbes made of cells without a true nucleus; one is called a bacteria

A one-celled microorganism that can cause infection

A small, simple organism which may cause disease.

all prokaryotes that are not members of the domain Archaea.

Any of various one-celled microorganisms of the plant kingdom, existing as free- living organisms or as parasites of other organisms. Bacteria reproduce through subdivision, and are classified according to their shape and behavior.

a group of microorganisms all of which lack a distinct nuclear membrane and have a cell wall of unique composition. Most bacteria are unicellular; Bacteria are very widely distributed, some live in soil, water or air and others are parasites of man, animals and plants. Many parasitic bacteria do not harm their hosts; some cause diseases by producing poisons.

Microscopic organisms from the Moneran Kingdom. Some bacteria are very helpful and others carry harmful diseases.

A single cell organism. Some bacteria are able to consume organic matter, which is important for wastewater treatment in septic systems. Some, like e-coli bacteria, can be harmful to humans if taken into the digestive system.

A small one-celled (unicellular) microorganism. Bacteria vary in shape (morphologically), being spheric (cocci), rod-shaped (bacilli), spiral (spirochetes), or comma-shaped (vibrios).

Microorganisms that live in soil, water, plants, and other organic matter; bacteria can cause disease.

very tiny organisms, some can be harmful to people.

Found in all natural environments, some bacteria can cause diseases in humans.

bac-teer-ry-ah Tiny living things that can cause disease.

small organisms, some of which can cause disease

tiny living things that can only be seen with a microscope

bac-TEAR-e-a One of the three domains of life, prokaryotes. 430

A group of unicellular prokaryotic organisms, some of which are important as pathogens and for their biochemical properties.

Typically one-celled microorganisms which multiply by simple cell division. Some can cause infections such as pseudomonas. All can eventually cause sanitizer demand and cloudy water.

Simple, one-celled living things found throughout the environment.

n. A microorganism without a nucleus (prokaryote).

Microscopic organisms that are easy to identify by their cell wall, and nuclear region. Most bacteria fall under the categories, round, rod-like, spiral, or filamentous unicellular or noncellular, and are often found in colonies.

A group of living microorganism without the nucleus that causes infections.

microscopic organisms that can cause infection and are usually treated with antibiotics.

Microscopic organisms continuously entering the water via bathers, airborne dust, etc. Without proper sanitization Softub and hot tubs are the ideal breeding ground for bacteria, many of which can cause disease or infection.

Dangerous organisms found in pool water. Some bacteria can cause infectious diseases.

a group of one-celled microscopic organisms that lack nuclei, most of which act as decomposers

Simple, colorless one-cell plants, most of which are unable to manufacture their own food using sunlight Bacteria are possibly important in caves as synthesizers of food materials from minerals. They are also important as decomposers.

A very common single cell micro-organism which is very small and typically around one micron in diameter. Individual cells may be spherical, straight or curved rods, or spirals. They may have capsules or they may have whip-like appendages (flagella) which help them to move. Some bacteria cause disease in man or animals (pathogenic), while others are harmless (non-pathogenic) and exist in man where they help many of the body's processes such as digestion in the gut.

Free living simple celled, microscopic organisms having a cell wall, lacking a defined nucleus, shaped . . round, rod-like, spiral or filamentous.

Microscopic living organisms; some are helpful and some are harmful. “Good” bacteria aid in pollution control by consuming and breaking down organic matter and other pollutants in septic systems, sewage, oil spills, and soils. However, “bad” bacteria in soil, water, or air can cause human, animal, and plant health problems.

Microscopic living organism.

Single-celled microorganisms. Some bacteria cause disease; others live in the body and are necessary for normal functioning.

Microscopic organisms; they generally respond to antibiotics, unlike viruses

single-celled living organisms, some of which can trigger infections in the reproductive system.

nga mea ora A group of microscopic organisms. Bait station/nga paepae mounu A box that contains bait for killing predators but prevents the entry of native birds.

Small microorganisms that may cause infection.

(bak-TEER-ee-uh): Tiny organisms that cause infection or disease.

Microscopic organisms, germs which are continuously being brought into the pool via swimmers, dust, etc, some of which can be harmful to swimmers.

The domain of microscopic organisms that multiply by splitting or by growing from spores. They come in a variety of forms and though some may cause diseases, many are important in human processes.

microorganisms with prokaryotic cell organization (lacking membrane-bounded nucleus and other specialized features); bacteria are also typically much smaller than fungi (molds) carcinogenic - cancer-producing or cancer-causing

are organisms found in soil, water, people, animals and plants. Many types of bacteria act as pathogens and conveyors of disease. Persons infected with the pathogens may be treated with antibiotics that either kill bacteria (bacteriocidal antibiotics) or hamper their growth (bacteriostatic antibiotics).

single-celled prokaryote organisms with a cell membrane and cytoplasm that multiply by simple division.

Primitive microorganisms smaller than yeast. Certain types of bacteria can infect wort and beer and result in off-flavors.

Small single celled organisms from the kingdom Monera. They are known as prokaryotes, which are classified together because they lack nuclear membranes. They are the most primitive living beings. They aid in the nitrogen cycle and also form the first layer of a biofilm.

Single-celled microorganisms of various forms, some of which are undesirable or potentially disease-causing. Chlorine, bromine or other sanitizing or disinfecting agents controls bacteria.

unicellular prokaryotic microorganism of the class Schizomycetes that varies in terms of morphology, oxygen and nutritional requirements, and motility, and may be free-living, saprophytic, or pathogenic in plants or animals

Microscopic organisms (germs) that can contaminate your pool and cause illness.

Structurally simple, single-celled organisms that have no nucleus.

one-celled creatures that reproduce by splitting in half.

One-celled microorganism that can cause illness and spoil food, sometimes without changing the food's taste, smell, or appearance.

Single-celled microscopic organisms. Pathogenic bacteria can cause infections, disease and bather irritation. Hypochlorous acid or hypobromous acid are used to kill bacteria in pool and spa water.

a microscopic group of living organisms which usually have only one cell containing no nucleus. Bacteria are the most abundant of all organisms.

Tiny one-celled organisms present throughout the environment. Some bacteria cause disease (like diphtheria, tetanus, and typhoid fever).

germs capable of producing disease.

means living single-cell organisms. Bacteria can be carried by water, wind, insects, plants, animals, and people and survive well on skin and clothes and in human hair. They also thrive in scabs, scars, the mouth, nose, throat, intestines, and room-temperature foods.

Single-celled microorganisms that are found in air, food, water, soil, and other living creatures, including humans. "Friendly" bacteria prevent infections and synthesize certain vitamins; others cause disease. See microorganism.

Tiny organisms that often form colonies and live in soil, water, organic matter, or the bodies of plants and animals. While not all bacteria are harmful, some cause disease.

A single-celled organism. Bacteria are found throughout nature and can be beneficial or pathogenic.

Very small, single-celled life forms that can reproduce quickly. Bacteria are found throughout nature and can be beneficial or destructive. [Talking Glossary

a group of microscopic organisms, shaped like commas, rods, spheres or spirals found almost everywhere in air, water, soil and plants and animals. Some bacteria cause disease, but most do not.

An organism consisting of a single cell. Bacteria can cause illness in humans. An infection that is caused by a bacteria is called a bacterial infection

Micro-organisms. Some are beneficial e.g. used in yogurt making and some are harmful and can contaminate food.

Single cell organisms, capable of rapid reproduction. They are present everywhere; some are harmless, others are known to produce infectious diseases.

Tiny one-celled organisms present throughout the environment that require a microscope to be seen. While not all bacteria are harmful, some cause disease. Examples of bacterial disease include diphtheria, pertussis, tetanus, Haemophilus influenzae and pneumococcus (pneumonia).

Bacteria are germs which are so small that they can only be seen through a microscope. They come in various shapes (spherical, rod-shaped, and spiral shaped) and sizes (length ranges from 0.5 to 50 mm.

Single-celled microorganisms which can exist either as independent (free-living) organisms or as parasites (dependent upon another organism for survival). The singular is "bacterium".

Simple unicellular organisms that can cause spoilage or odours, as well as infections and health issues.** Bacteria can be classified into 2 basic groups (gram positive and gram negative) based on differences in the structure of their outer cell walls.

Microscopic organisms that can cause disease.

Single-celled microorganisms. Bacteria of the coliform group are considered the primary indicators of fecal contamination and are often used to assess water quality.

Large group of single celled micro-organisms which lack an organised central nucleus. Bacteria are everywhere — in soils, water, air, and on or in the tissues of plants and animals. They play an important role in global ecology, promoting chemical changes such as decay and nitrogen cycling (the processes by which nitrogen and its compounds move through the environment and in living organisms). They can have a beneficial or deleterious effects on their host.

(singular bacterium) Phytoplankton; single-celled prokaryotic organisms.

Germs that can get into your pool or spa by way of users and from the environment.

Unicellular, prokaryotic microorganisms that lack chlorophyll, multiply by fission, and can be seen only with a microscope; they occur in three main forms: spherical, rod-shaped and spiral. Some bacteria cause diseases such as pneumonia, tuberculosis and anthrax, and others are necessary for fermentation and nitrogen fixation.

microscopic, single-celled organisms.

Bacteria are microscopic living organisms They are a group of universally distributed, rigid, essentially unicellular, microscopic organisms lacking chlorophyll. They are characterized as spheroids, rod-like, or curved entities, but occasionally appearing as sheets, chains, or branched filaments.

One-celled organisms, spherical, spiral, or rod-shaped and appearing singly, in chains, or in clusters.

organisms responsible for about 70 percent of otitis media cases. The most common bacterial offenders are Streptococcus pneumoniae, Haemophilus influenzae and Moraxella catarrhalis.

Microscopic organisms that live on water and on land. They help break down organic materials into simpler nutrients in a process called decay. Bacteria release nutrients to the soil.

Single-celled organisms, free-living or parasitic, that break down the wastes and bodies of dead organisms, making their components available for reuse by other organisms.

A small single-cell organism. Bacteria do not have an organized nucleus, but they do have a cell membrane and protective cell wall. Bacteria can be used to ferment sugars to ethanol.

Single cell organisms that contaminate your pool. Can be introduced from the environment and by swimmers. Some are pathogenic (harmful to humans).

A single cell microorganism.

A single cell organism. Some bacteria are capable of causing disease.

a diverse group of single-celled organisms

plural of bacterium. Tiny, one-cell organisms of the class Schizomycetes. There is a vast assortment of bacteria, including many parasites.

living organisms that have one cell and can only be seen with a microscope

a single-celled micro-organism that differs from all other organisms in lacking a true nucleus and organelles such as mitochondria, chloroplast and lysosomes eg. Pasteurella haemolytica, Haemophilus somnus, E.coli 0157:H7, Clostridia, Salmonella.

Microorganisms which are undesirable or disease carrying that are controlled by chlorine, bromine or other sanitizing agent.

Microscopically small single-cell organisms, that reproduce by fission of spores.

Microscopic organisms; unlike viruses, they generally respond to antibiotics

These are the most abundant of all organisms --and the simplest (having only a single cell). They are beneficial to decay mechanisms, but many kinds are considered disease organisms. Examples of bacterial diseases include blights and some types of rot and wilt.

Single-celled or non-cellular organisms found in soil, water, air, organic matter, and in the bodies of plants and animals. Organic garden soil contains billions of bacteria that make the soil fertile by recycling nutrients from dead plants and animals and converting nitrogen in the air into a form that plants can absorb. Most bacteria are beneficial and do not cause disease.

Bacteria are prokaryotes. Prokaryotes are cells that do not contain nuclei.

See Pathogenic Organisms

minute organisms, millions of which are normally present in the large intestine, but some of which can cause infection.

A bacteria is an organism that is made up of one cell. It does not have chlorophyll so it doesn't use sunlight to live and it reproduces by fission, which happens when a cell divides into two.

Bacteria are one kind of microscopic (too small to see) germ. Many types of bacteria can make people sick or cause infections. Bacteria live in water, dirt, plants, animals or humans. Humans naturally have some in their body already. Humans can also get some from other people when they have unprotected sex. These kinds of BACTERIA can make people sick. There are medicines called ANTIBIOTICS that kill BACTERIA. Bacteria cause some sexually transmitted diseases, for example, chlamyida, gonorrhea, syphilis and "trich."

Any of a group (as kingdom Prokaryotae syn. Monera) of prokaryotic unicellular round, spiral, or rod-shaped single-celled microorganisms that are often aggregated into colonies or motile by means of flagella, that live in soil, water, organic matter, or the bodies of plants and animals, and that are autotrophic, saprophytic, or parasitic in nutrition and important because of their biochemical effects and pathogenicity.

Single-celled micro organisms with one of three basic shapes: rod-like (bacilli), spherical (cocci) and spiral (spirilla). Bacteria are commonly thought of as disease-causing agents. But many bacteria are beneficial and don't cause disease.

unicellular microorganisms of the class Schizomycetes existing as free living organisms or parasites.

Simple one-celled organisms, belong to the Kingdom Monera, whose genetic material is not enclosed in a nuclear envelope.

Widely distributed unicellular microorganisms with both plant and animal characteristics; the three varieties are bacillus, coccus, and spirillum; some harmful; some are harmless; commonly known as microbes or germs.

One- cell organisms, some of which can cause disease. They are found in soil, air and water and also in the tissues of humans, plants and animals.

Potentially harmful organisms that live in soil, water and the bodies of plants and animals.

Organisms that may cause infection, usually treated by antibiotics. Not all bacteria are harmful: beneficial bacteria, for example in the gut, can aid digestion.

Microscopic organisms which can contaminate your pool or spa and cause cloudy water. Can enter the water by bathers or from the environment.

a class of microorganisms that cause infections.

Plural of bacterium, q.v.

A widely-distributed group of typically one-celled microorganisms, many of which produce diseases. Many are active in processes of fermentation, the conversion of dead organic matter into soluble food for plants and the fixing of atmospheric nitrogen.

One-celled organisms. Many act as decomposers that break down dead organic matter into substances that dissolve in water and are used as nutrients by plants.

micro-organisms; some good some harmful

A one-celled organism some of which can cause disease.

Microscopic organisms (germs) which can cause illness.

single-celled micro-organisms: some cause disease, some protect against disease-causing organisms.

A large group of organisms that do not have organelles enclosed in cell membranes and have DNA in both a chromosome and circular plasmids. They have a protein and complex carbohydrate cell wall over a plasma membrane.

Unicellular microorganisms which reproduce by fission or spores, identified by their shapes: coccus, round; bacillus, rod shaped; and spirillum, curved.

Microscopic organisms which help in treating and purifying sewage

single cell - microorganisms which have no chlorophyll, multiply by simple division and some of which cause diseases (germs, microbes)

One-celled microscopic organisms. Some are capable of causing disease in humans, others are capable of elevating the temperature of a pile of decomposing refuse sufficiently to destroy human pathogens.

a living organism that sometimes causes diseases. Bacteria are very small—so small that a person cannot see them with the naked eye. Usually, infections caused by bacteria can be cured with antibiotics.

Diverse group of organisms composed of a single prokaryotic cell without a nucleus or membrane bound organelles whose most important biological roles are decomposition, nitrogen fixation, and disease agents. !-- assign table width based on how this page is called close_it();

single cell organisms (microorganisms) that is capable of being observed only under a microscope. While some bacteria are capable of being useful, many bacteria are capable of symptomatically causing dis-ease in humans.

small organisms (germs) that can cause infection, usually able to be treated/cured with antibiotic drugs

infectious organisms (germs) that may cause bronchitis or pneumonia.

Microscopic one-celled organisms that have no chlorophyll, are aerobic or, for very brief periods, anaerobic, and multiply by simple cell division. Bacteria exist essentially everywhere and perform a variety of functions; not always useful to people. While decomposing organic matter in water, bacteria can greatly reduce the quantity of oxygen in the water.

Typically one-celled microorganisms that have no chlorophyll, multiply by simple division and can be seen only with a microscope.

(singular: Bacterium) Single-celled organisms that are found throughout nature and can be beneficial or cause disease.

Single-celled organisms that do not possess chlorophyll.

Single-celled living organisms that can cause disease; they can break down solid waste.

Bacteria are single-celled organisms that can cause infection if they gain entry into the body.

Microscopic, single cell, non-green organisms with rigid cell walls that reproduce by cell division. Bacteria are prokaryotes.

Bacteria (singular = a bacterium) are the Prokaryote being, with viruses, the most simple of the Classification of Life. They can barely be called even single-celled, since they have no nucleus. Bacteria are essential in breaking down matter (without them we would suffocate in our own waste) and in fixing atmospheric Nitrogen for use by plants. However, other types are also the agents of diseases such as diarrhea, dysentery, cholera and typhoid. They have understandably been called the most powerful form of life in the universe.

Single celled organisms capable of reproduction and growth. Bacteria can be beneficial or harmful.

single celled micro-organisms that can be free living or live in/on other organisms.

comes in two types as far as coolant is concerned. Both are always present in our environment. Aerobic bacteria consume oxygen and organic materials. Anaerobic bacteria hate oxygen, and love to consume hydrocarbon based materials,- like rust inhibitors and anti-emulsification agents in coolant. Bacterial Rafts are visible colonies of anaerobic bacteria that appear to be floating oils on your coolant. But they differ from real oil in that they are mostly solid, opaque, and only appear when your coolant is about dead. At this point in life your coolant probably has those Monday morning smells. (See Monday Morning Smells).

This is the scientific term for a large group of microorganisms, only some of which produce disease. Many others are active in processes beneficial or not harmful to human, animal and plant life.

Single-celled organisms that can cause infection and disease.

Single-celled microorganisms of various forms some of which are undesirable or potentially disease causing. Bacteria are controlled by chlorine, bromine or other sanitizing and disinfecting agents.

single-celled microorganisms that differ from all other organisms in that they lack a true nucleus and organelles such as mitochondria, chloroplasts, and lysosomes (an example of a bacterium is Escherichia coli).

A group of one-celled microorganisms, the smallest of the once-celled plants.

(n) The simplest and smallest forms of plant life ,microscopic organisms that exists in large numbers in air ,water and soil ,and also in living and dead creatures and plants ,and are often a cause of disease.

single celled micro-organisms. Some bacteria are neccessary for our bodies to work properly. Other bacteria cause disease.

Synonym for germs. Single-cell organisms found almost everywhere.

Tiny, single-celled, prokaryotic organisms that reproduce by cell division and usually have rigid cell walls. Bacteria are very diverse. They can be shaped like spheres, rods or spirals and can be found in virtually any environment. The earliest fossils found on Earth are bacteria, almost 3.3 billion years old.

Invisible single-cell organisms of various forms, some of which can cause infections or disease. Chlorine is your pool's chief line of defense against these germs.

Organisms, very small, that consist of only one, or sometimes several, cells. A single such organism is called a bacterium. Bacteria exist virtually everywhere - in soil, water, air, and on our skin. Like viruses, some bacteria can perform useful roles, while others can cause disease.

From a health perspective, the most dangerous micro-organisms which may be living in the pool water. Some are pathogens, which can cause infectious diseases.

microscopic organisms found everywhere, some of which may be harmful to people (pathogens).

A large group of single-celled organisms that do not have organelles enclosed in membranes and have most of their DNA in a chromosome and the remainder in small circular plasmids. They have a cell wall composed of protein and complex carbohydrate over a plasma membrane.

independent single-cell micro-organisms that can be seen under a microscope. Some bacteria cause disease.

Single-celled organisms, some of which can cause diseases in humans.

living things that are one cell and can be seen only through a microscope; some cause disease

Single celled prokaryotic organisms that form the first layer of a biofilm.

( Plural for bacterium). Tiny microorganisms that reproduce by cell division and usually have a cell wall. Bacteria can be shaped like a sphere, rod, or spiral and can be found in virtually any environment.

Microorganisms often composed of single cells shaped like rods, spheres or spiral structures.

Alive and thriving, these one-celled microorganisms cause infections. The infections, from minor to severe, may require a range in treatments from over-the-counter to prescription medication.

Prokaryotic, colony-forming microbes, chiefly parasitic or saprophytic.

Typically one cell microorganisms which have no chlorophyll, multiply by simple division, and can be seen only with a microscope. They occur in thee main forms: spherical (cocci), rod-shaped (bacilli), and spiral (spirella). Some bacteria cause disease such as staph infections, strep throat, pneumonia, tuberculosis, syphilis. Other beneficial bacteria are necessary for proper digestion, fermentation, nitrogen fixation, etc.

One-celled organisms that are present in everything from water to food. Bacteria can be found in virtually any water system. Municipal water systems check for harmful bacteria levels on a regular basis. A water filtration system certified Class I for particulate reduction by NSF is a simple and cost-effective way to remove particles 1/2 micron in size and larger. Most bacteria are larger than 1/2 micron.

Unicellular micro-organisms that can sometimes cause disease.

A large group of single-cell micro-organisms. Some cause infections and disease in animals and humans.

one of the five kingdoms of living beings. Bacteria are structurally simple single cells with no nucleus.

Microscopic germs. Some bacteria contribute to health; others cause disease.

A general name for a large class of single-celled organisms. Some bacteria cause disease, and some are useful, such as the bacteria that are used to produce some drugs and treat sewage.

a common term for microscopic organisms; some bacteria can cause serious infections

Single cell micro-organisms, some of which cause disease. Others are essential for our bodies to work properly.

Single-celled microscopic organisms. Pathogenic bacteria can cause infections, disease and bather irritation. Chlorine and Bromine and Biguanide are used to kill bacteria in pool & spa water.

Living organisms, microscopic in size, which consist of a single cell. Most bacteria utilizes organic matter for their food and produce waste products as the result of their life processes.

unicellular microorganisms that occupy a wide variety of niches, including the human body

Small organisms that cause bacterial infections.

Single-celled micro-organisms, about one micrometer (one thousand nanometers) across

single-celled organisms which cause infections; they are usually treated with antibiotics.

A large group of single-cell microorganisms. Some cause infections and disease in animals and humans. The singular of bacteria is bacterium.

Very tiny single-celled microorganisms that can be seen only with a microscope. Some cause illness and others cause milk to sour, while others are used in food preservation or to make yogurt or sour cream.

a group of microscopic, single-cell organisms that lack a nucleus. Bacteria inhabit almost all environments, including organic matter, soil, water and the bodies of animals. Some are harmful to humans, others are beneficial. Bacteria are the chief cause of infectious diseases in humans.

Tiny, single-celled, prokaryotic organisms that can survive in a wide variety of environments. Some cause serious infectious diseases in humans, other animals, and plants.

a single-celled microorganism that lacks a nucleus

Bacteria is the name given to small single celled organisms

Single-celled microorganisms. Some bacteria can cause disease; other"friendly" bacteria are normally present in the body and perform such useful functions as aiding digestion and protecting the body from harmful invading organisms.

Microscopic organisms that enter your pool from swimmers and dust, among other things, and can cause irritation, infection, and cloudy water.

One-celled living organisms, typically about one micron in diameter. Bacteria are among the oldest, simplest, and smallest types of cells.

microorganisms that live in the soil and convert nutrients into forms usable by plants

Single-celled organisms, some of which live inside other organisms and some of which live independently

A group of microorganisms having single-celled or noncellular bodies.

Singluar, bacterium; tiny, one-celled forms of life that cause many diseases and infections.

Unicellular microorganisms which typically reproduce by cell division. Although usually classified as plants, bacteria contain no chlorophyll.

Any of numerous unicellular microorganisms.

Minute, single-celled organisms ubiquitous in the environment; they contain a cell wall and a nucleus lacking a delimiting membrane, and divide by binary fission (the parental cell dividing into two approximately equal daughter cells).

There are both good and bad types of bacteria. It is a microscopic organism that can survive either as a parasite or on its own.

single-celled organisms that can exist independently, symbiotically (in cooperation with another organism) or parasitically (dependent upon another organism, sometimes to the detriment of the other organism). Examples of bacteria include acidophilus (found in yogurt), streptococcus the cause of strep throat, and E. coli (a normal intestinal bacteria, as well as a disease-causing agent).

A small, single-celled living organism that has DNA and can replicate its own DNA without the help of a host cell. Some bacteria are helpful to humans, such as those that live in our stomach and help with digestion, while some are harmful, releasing toxins or poisonous waste products.

Single-celled microorganisms that can exist independently (free-living) or dependently upon another organism for life (parasite). They can cause infection and are usually treated with antibiotics.

Small organisms (germs) that can cause disease.

Small living organisms, or microorganisms, that live in the bodies of animals, humans, and plants. Some types of bacteria cause disease.

Groups of single cell living organisms. Some are known to cause food poisoning or food spoilage.

A group of unicellular microorganisms lacking chlorophyll and reproducing rapidly by simple fission. Are known to be responsible for the spoilage and contamination of beer. There are no known pathogenic bacteria that can grow in beer.

Very small, one-celled organisms that have no chlorophyll.

These tiny organisms are microscopic and acquire their nutrients from dead organisms. Barrel Pond: Biological filtration: These filters contain a medium that allow for good nitrogen consuming bacteria.

unicellular microorganisms that are members of Domain Bacteria, one of the three trunks of the Tree of Life

single-celled organisms living either independently or in close association with other living organisms; often referred to as microbes or micro organisms because of their microscopic size. Some bacteria are beneficial, but others cause infectious diseases.

One-celled microscopic vegetable organisms, some of which are capable of causing infection

Microorganisms present in all water supplies including swimming pools; chlorine and other chemicals are used to keep these microorganisms under control.

Bacteria are single-celled organisms that live in and around us. Bacteria may be helpful, but in certain conditions may cause illnesses such as strep throat, most ear infections, and bacterial pneumonia.

Unicellular microorganisms of various forms. Some are pathogens, which can cause infectious diseases. Bacteria are controlled by chlorine, bromine or other sanitisers or disinfectants.

a large group of single-celled micro-organisms which can be both harmful and helpful to food.

Germs that cause human disease.

Microscopic, unicelled or noncellular plants, causing fermentation and decomposition of organic matter and ranging from harmless or beneficial to those that cause disease.

Very small, single-celled organisms that are important, among other things, in the formation of soil types.

single-celled microorganisms. Certain types of bacteria break down organic materials (using an aerobic and/or anaerobic process).

plural of bacterium. BACTERIUM: in general, any of the single-celled prokaryotic microorganisms that commonly multiply by cell division (fission) and whose cell is typically contained within a cell wall.

One-celled organisms that were the only Earthlings for billions of years. One bacterium, many bacteria (p.16-17, 206).

morphologically, the simplest group of nongreen vegetable organisms, various species of which are involved in fermentation and putrefaction, the production of disease, and the fixing of atmospheric nitrogen.

Tiny creatures, or germs, composing a division of microorganisms that generally are one-celled and can be seen only with a microscope. Some bacteria are harmless or even necessary to the body; others cause infection or disease.

Single-celled microorganisms (largely responsible for decay and decomposition of organic matter)

Microscopic organisms lacking chlorophyll. They obtain their energy from organic matter.

Single-celled microorganisms which can exist either as independent (free-living) organisms or as parasites (dependent upon another organism for life). See the entire definition of Bacteria

Simple single celled prokaryotic organisms. Many different species of bacteria exist. Some species of bacteria can be pathogenic causing disease in larger more complex organisms. Many species of bacteria play a major role in the cycling of nutrients in ecosystems through aerobic and anaerobic decomposition. Finally, some species form symbiotic relationships with more complex organisms and help these life forms survive in the environment by fixing atmospheric nitrogen.

the group of organisms which do not possess a membrane-bound nucleus (a.k.a. prokaryotes). They are single-celled, live virtually everywhere, and some kinds give us nasty colds and diseases. One of the big players in stromatolites, especially cyanobacteria.

Single-celled organisms (singular form=bacterium) which lack well-defined nuclear membranes and other specialized functional cell parts and reproduce by cell division or spores.

An autonomous single-cell being, visible only under a microscope. Used in biotechnology but may also cause germ contaminations.

Unicellular or multicellular microscopic organisms. They occur everywhere and in very large numbers in favorable habitats such as soil and sour milk where they number many millions per gram.

group of unicellular or multicellular organisms lacking chlorophyll

One-celled microscopic organisms that may cause infections. Some bacteria normally live in the body to aid in various functions. Other bacteria can cause serious harm when they enter the body and are allowed to grow. CF patients often are infected with the bacteria Pseudomonas aeruginosa.

Single-celled, microscopic organisms. Live in the water phase of water dilutable coolants. Found in a variety of shapes, (round, rod or spiral). Bacteria are generally classified as aerobic (need oxygen for survival) or anaerobic (require oxygen-free environment). Most bacteria nourish themselves with organic material such as surfactants, and/or amines found in most process chemicals.

one celled minuscule transparent organism.

Microcospic, single-celled organisms that can cause infections of the genital tract.

A group of single cell microorganisms that can cause disease by producing poisons that are harmful to human cells. The undamaged skin has natural substances that prevent bacteria from entering living tissues. Synthetic cosmetic materials can deplete these substances.

Bacteria are tiny, single-celled organisms that live in the body. Some can cause illness and disease and some others are good for you.

Bacteria are one-celled, microscopic organisms that live all over the world. They are important in the decay of organic material and in the fixing of nitrogen.

(Singular: bacterium) Microscopic living organisms that can aid in pollution control by metabolizing organic matter in sewage, oil spills or other pollutants. However, bacteria in soil, water or air can also cause human, animal and plant health problems.

Microscopic germs. Some bacteria are "harmful" and can cause disease, while other "friendly" bacteria protect the body from harmful invading organisms.

Single-celled organisms that multiply by cell division and that can cause disease in humans, plants or animals.

Free living simple celled, microscopic organisms having a cell wall and characteristic shape (e.g., round, rod-like, spiral or filamentous); lack a defined nucleus.

microorganisms occurring in a wide variety of forms and having a wide range of biochemical, often pathogenic properties. Some bacteria are capable of causing human illness.

The domain (major group) that contains single-celled, microscopic organisms that superficially resemble archaea but are genetically quite different. These are the bacteria that are familiar to us.

Bacteria (singular: bacterium) are unicellular microorganisms. They are typically a few micrometres long and have many shapes including spheres, rods, and spirals. The study of bacteria is bacteriology, a branch of microbiology.

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