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Among the following, more than one trophic level in a food chain can be occupied by:
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Sparrow and insectivorous plants
Limitations of Ecological Pyramid:
i) It does not take into account the same species belonging to two or more trophic levels, e.g., sparrow and insectivorous plants.
ii) It assumes a simple food chain and does not accommodate a food web.
iii) Saprophytes, decomposers, microbes and detritivores are not given any place in ecological pyramids.
i) It does not take into account the same species belonging to two or more trophic levels, e.g., sparrow and insectivorous plants.
ii) It assumes a simple food chain and does not accommodate a food web.
iii) Saprophytes, decomposers, microbes and detritivores are not given any place in ecological pyramids.
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