Q.
Which of the following is not a limitation of the ecological pyramid?
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a
Pyramid does not take into account the same species belonging to two or more trophic levels.
b
Pyramid assumes a simple food chain, something that almost never exist in nature.
c
Pyramids accommodate a food web.
d
Saprophytes are not given any place in ecological pyramids even though they play a vital role in the ecosystem.
answer is C.
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Detailed Solution
Ecological pyramids have certain limitations like:(a) any species belonging to two or more trophic level cannot be represented by ecological pyramids.(b) it includes simple food chain (exactly not existed in nature).(c) does not accommodate food web.(d) saprophytes are not included.
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