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biological magnification

The process by which toxins such as pesticides build up in each successive link in the food chain; for instance, a given population of beetles may have very low levels of a fat-soluble pesticide, but the pesticide will build to much greater levels in the fat of a bird that eats those beetles, and the pesticide will reach greater levels still in a human or panther that eats the beetle-eating birds.

Selected biological magnification links:

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