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Old 12-03-2012, 11:30 AM   #4
S.T.D.

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May 2008
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36
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Food-web accumulation is a special case of bio-magnification, in which certain chemicals occur in their largest ecological concentration in predators at the top of the food web. Within food webs, bio-magnifying chemicals such as DDT, dieldrin, and PCBs have their largest concentrations, and cause the greatest damage, in top predators.
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