Definitions for "Model Organism"
A model organism is used as an experimental platform in biomedical research. The mammalian MODs are rat and mouse, and among the non-mammalian are yeast, zebrafish and fruit fly.
An organism that is relatively easy to study, and can be used to obtain information that is relevant to the biology of a second organism that is more difficult to study.
A bacterium, animal, or plant used by scientists to study basic research questions; common model organisms include yeast, flies, worms, frogs, and fish.
a simple biological system that can be used to analyze a process as a model for more complex systems