highest ddt concentration in aquetic food chain shall occur in
1.pacific salmon
2.diatoms
3.shark
4.snail/crab
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Correct option (b) seagull Explanation DDT is a toxic substance which gets concentrated subsequently in a food chain of an aquatic ecosystem in the following manner Thus, the animal or organism acquiring the highest position in a food chain would have the highest DDT concentration (here seagull). This process is known as biological magnification or biomagnification.
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