The definition of a biogeochemical-cycle is the flow of chemical elements between living organisms and the environment.noun
An example of the biogeochemical-cycle is when inorganic elements such as nitrogen and carbon are taken in by organisms and then converted into organic substances of plants or animals and released back into the environment.YourDictionary definition and usage example. Copyright © 2013 by LoveToKnow Corp.
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biogeochemical cycle - Science Definition
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