Lesson 6 of 7 • 0 upvotes • 11:38mins
Ecological pyramids , pyramids of number, pyramids of biomass, pyramids of energy, this topic most important for EVS and computational exam.
Environment, Ecology and Ecosystem (in Hindi)
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Factor of Ecosystem Biotic and Abiotic (in Hindi)
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Trophic Levels of Ecosystem EVS (in Hindi)
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Food Chain of Ecosystem EVS (in Hindi)
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Food Web of Ecosystem EVS (in Hindi)
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Ecological pyramids of EVS Part 6 (in Hindi)
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Law of energy and pyramid of energy Part 7 (in Hindi)
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