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biological magnification

the increasing concentration of toxic substances within each successive link in the food chain.
Also called biomagnification. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Contemporary definitions for biological magnification

the process by which the concentration of toxic substances increases in each successive link in the food chain; also called biomagnification


In biological magnification, pesticides or heavy metals move up the food chain, work their way into rivers or lakes, and are eaten by aquatic organisms such as fish, which in turn are eaten by large birds, animals or humans.

See biomagnification's 21st Century Lexicon
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