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Question

Assertion [A]: Trophic level represents a functional level, not a species as such.

Reason [R]: A given species may occupy more than one trophic level in the same ecosystem at the same time.


Correct Answer
A
Both statements A and R are correct and statement R is the correct explanation of statement A.
Your Answer
B
Both statements A and R are correct and statement R is not the explanation of statement A.
Your Answer
C
Statement A is correct and statement R is incorrect.
Your Answer
D
Both statements A and R are incorrect.

Solution

The correct option is D Both statements A and R are correct and statement R is the correct explanation of statement A.
Trophic level represents the position of an organism in a particular food chain on the basis of its feeding habit. For example, when a bear eats berries, the bear is functioning as a primary consumer (second trophic level). But when the same bear eats a plant-eating rodent, the bear is functioning as a secondary consumer (third trophic level). Thus, a given species may occupy more than one trophic level in the same ecosystem at the same time.

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