Examlex
To date,__________ classes of antifreeze proteins have been identified.
Phosphorus Cycle
Movement of phosphorus among Earth’s rocks and waters, and into and out of food webs.
Nitrogen Cycle
Movement of nitrogen among the atmosphere, soil, and water, and into and out of food webs.
Calcium Cycle
A geochemical cycle involving the movement and exchange of calcium among the lithosphere, hydrosphere, biosphere, and atmosphere.
Nutrient Cycling
The process of the movement and exchange of organic and inorganic matter back into the production of living matter.
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