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

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(B) Ecological pyramids are graphical representations of the relationship between different trophic levels in an ecosystem.They are typically construc

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Fresh weight

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(B) Ecological pyramids are graphical representations of the relationship between different trophic levels in an ecosystem.They are typically constructed based on three parameters: $1$. Number of individuals at each trophic level (Pyramid of Number).$2$. Biomass at each trophic level (Pyramid of Biomass).$3$. Energy content or rate of energy flow at each trophic level (Pyramid of Energy).Biomass is measured in terms of 'dry weight' because fresh weight includes water content,which varies significantly and does not accurately represent the organic matter available for transfer to the next trophic level.Therefore,'fresh weight' is not used for the construction of ecological pyramids.

Which of the following is not used for the construction of an ecological pyramid?

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