In which of the following birds is the concen | vedclass

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(A) The phenomenon of biomagnification refers to the increase in concentration of non-biodegradable pollutants (like $DDT$) at successive trophic leve

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Fish-eating birds

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(A) The phenomenon of biomagnification refers to the increase in concentration of non-biodegradable pollutants (like $DDT$) at successive trophic levels. $DDT$ is a persistent organic pollutant that accumulates in the fatty tissues of organisms. Since fish-eating birds occupy the highest trophic level in an aquatic food chain,they ingest the highest concentration of $DDT$ through their prey. This leads to high levels of $DDT$ in their bodies,which interferes with calcium metabolism and causes thinning of eggshells,leading to a decline in their population.

In which of the following birds is the concentration of $DDT$ found to be maximum due to their diet?

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