Dictionary > Biogeochemical cycle

Biogeochemical cycle

Definition
noun
The cycling of chemical elements between the atmosphere, hydrosphere, lithosphere, and biosphere
Supplement
Biogeochemical cycle pertains to the cycling of chemicals absorbed or ingested by organisms, and then passed along the food web and ultimately to the air, water, and soil though various mechanisms such as respiration, excretion, and decomposition.
Word origin: From the contraction of biological, geological, chemical factors involved in the cycle


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