Biology for IGCSE & O level - Organisms And Their Environment (Section 1 - No. 46)
Why are pyramids of biomass often more useful than pyramids of numbers?
They indicate the mass of living material at each trophic level.
They only show the number of organisms.
They are not useful for an ecosystem.
They only show the energy produced by each organisms.
Explanation
Biomass reflects the total weight of living matter, providing a better indication of the energy stored at each trophic level.
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