Which one of the following is not used for co | vedclass

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(A) : Ecological pyramids represent the trophic structure and trophic function of an ecosystem.In an ecological pyramid,the first trophic level forms

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Fresh weight

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(A) : Ecological pyramids represent the trophic structure and trophic function of an ecosystem.In an ecological pyramid,the first trophic level forms the base and successive trophic levels form the tiers that make up the apex.Ecological pyramids are generally of three types: pyramid of number,pyramid of biomass,and pyramid of energy.Pyramid of biomass is based on the dry weight of the organisms in a food chain present at any given time in an ecosystem.Fresh weight is not used because it includes water content,which varies significantly and does not accurately represent the organic matter or energy content.Therefore,fresh weight is not used for the construction of ecological pyramids.

Which one of the following is not used for construction of ecological pyramids?

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