In an aquatic ecosystem, the phenomenon of biomagnification can best be studied in the case of .
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A.
organochlorine
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B.
DDT
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C.
phosphates
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D.
chlorine
Correct Answer:
B. DDT
Explanation:
Biomagnification is most effectively observed with DDT in aquatic ecosystems because it is a persistent, fat-soluble synthetic pesticide that does not break down easily. As organisms consume contaminated prey, the concentration of DDT increases at each successive trophic level, reaching its highest and most toxic levels in top predators like large fish and fish-eating birds.
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