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Question
Which of the following shows maximum biomagnification in an aquatic ecosystem?
Which of the following shows maximum biomagnification in an aquatic ecosystem?
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Solution
The correct option is C Birds
Biomagnification refers to an increase in the concentration of toxic chemicals at successive trophic levels. This happens because a toxic substance accumulated by an organism cannot be metabolized or excreted, and is thus passed on to the next higher trophic level. In an aquatic ecosystem, birds are at the highest trophic level. Thus, the correct answer is option B.
Biomagnification refers to an increase in the concentration of toxic chemicals at successive trophic levels. This happens because a toxic substance accumulated by an organism cannot be metabolized or excreted, and is thus passed on to the next higher trophic level. In an aquatic ecosystem, birds are at the highest trophic level. Thus, the correct answer is option B.
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