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प्रश्न
Which statement is a limitation of ecological pyramids?
पर्याय
They always handle species that occupy more than one trophic level.
They assume a simple food chain, which almost never exists in nature.
They accommodate a food web.
They include saprophytes because they play a vital role in the ecosystem.
MCQ
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उत्तर
Ecological pyramids are based on a simple food chain. Such a simple linear arrangement almost never exists in nature.
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