Definitions for "Phosphorus cycle"
phosphorus from rocks in broken down and dissolved in water. This phosphorus rich water is used by plants to build plant material which is in turn eaten by animals.
Phosphorus is part of the DNA that carries genetic information , can store chemical energy, and located in fats in cell membranes. In very small amounts in the atmosphere and most of it is in rock formations or in the ocean bottom. Much of the phosphorus flows to the oceans where it can remain for millions of years until a geological process affects the sea floor.
The movement of phosphorus atoms from rocks through the biosphere and hydrosphere and back to rocks.