Class 12 Science Important Syllabus Questions Answers
Class XII Science Biology Extra Questions
Class XII Science Biology Solutions
What are the shortcomings of ecological pyramids in the study of ecosystem?
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The ecological pyramid assumes a simple food chain and does not accommodate food webs. Thereby, it does not take into account the fact that species may belong to two or more trophic levels at a time. Also saprophytes despite their vital role in ecosystem are given no place in the ecological pyramids.