Disruptions to Ecosystems

AP Biology· difficulty 3/5

The increasing concentration of DDT shown up the food chain illustrates:

A
$Photosynthesis$
B
$Bioaccumulation only within one organism$
C
$Eutrophication$
D
$Biomagnification (concentration increases at each trophic level)$
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Explanation

Persistent fat-soluble toxins like DDT undergo biomagnification: organisms higher in the food chain accumulate progressively higher concentrations.

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