Assertion :Pyramid of biomass is inverted in aquatic ecosystem. Reason: Longivity increases with the rise in trophic levels.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
Pyramid of biomass is inverted in an aquatic ecosystem because the biomass of fishes far exceeds the biomass of phytoplanktons.
Also, longevity may vary for different trophic levels. Eg, a parrot which is a primary consumer has a greater longevity than humans.
So, the correct option is C.

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