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Question
In a polluted ecosystem, which organism in the food chain given below is likely have the highest level of toxic chemicals in its body? Algae --- Minnow --- Trout --- Human
In a polluted ecosystem, which organism in the food chain given below is likely have the highest level of toxic chemicals in its body? Algae --- Minnow --- Trout --- Human
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Solution
The correct option is C Human
A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. In the food chain that is being discussed here, algae are the produces, minnows are the primary consumers, trout are the secondary consumers and humans are the tertiary consumers (top predators). Along with energy and nutrients the top predators also accumulates the toxins maximally. This phenomenon of accumulation of contaminants in the top predators is called as biomagnification.
A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. In the food chain that is being discussed here, algae are the produces, minnows are the primary consumers, trout are the secondary consumers and humans are the tertiary consumers (top predators). Along with energy and nutrients the top predators also accumulates the toxins maximally. This phenomenon of accumulation of contaminants in the top predators is called as biomagnification.
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