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Which is not a limitation of the ecological pyramid ?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 webD. Saprophytes are not given any place in ecological pyramids even though they play a vital role in the ecosystem. |
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Answer» Correct Answer - C There are certain limitations in the ecological pyramids: 1. Pyramids does not take into account the same species belonging to two or more trophic levels. E.g.: Sparrow and insectivorous plants. 2. It assumes a simple food chain something that almost never exist in nature. 3. It does not accommodate a food web. 4. Moreover decomposer or saprophytes are not given any place in ecological pyramids even through they play a vital role in the ecosystem. |
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