biogeochemical

biogeochemistry

[bahy-oh-jee-oh-kem-uh-stree]
noun
the science dealing with the relationship between the geochemistry of a given region and its flora and fauna, including the circulation of such elements as carbon and nitrogen between the environment and the cells of living organisms.

Origin:
1935–40; bio- + geochemistry

biogeochemical [bahy-oh-jee-oh-kem-i-kuhl] , adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Science Dictionary
biogeochemistry   (bī'ō-jē'ō-kěm'ĭ-strē)  Pronunciation Key 
The scientific study of the relationship between the geochemistry of a region and the animal and plant life in that region.
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