The accumulation of non-biodegradable substances in a food chain in increasing amount at each higher trophic level is known as _____________.
A
Accumulation
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B
Eutrophication
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C
Pollution
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D
Bio magnification
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Solution
The correct option is D Bio magnification The increase in concentration of non-biodegradable substance with subsequent trophic level of a food chain is called bio-magnification.