biological magnification

noun
the increasing concentration of toxic substances within each successive link in the food chain.
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Main Entry:  biological magnification
Part of Speech:  n
Definition:  the process by which the concentration of toxic substances increases in each successive link in the food chain; also called biomagnification
Example:  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.
Main Entry:  biological magnification
Part of Speech:  n
Definition:  See biomagnification
Dictionary.com's 21st Century Lexicon
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Example sentences
The viewer should gain familiarity with bivalve structure and anatomy and problems of biological magnification.
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