Biology for IGCSE & O level - Organisms And Their Environment (Section 5 - No. 33)
Why are pyramids of numbers often not the best representation of an ecosystem's energy flow?
They do not accurately represent the number of organisms at each trophic level.
They fail to account for the size or biomass of the organisms at each trophic level.
They only represent the producers and primary consumers.
They are too complex and difficult to understand.
Explanation
Pyramids of numbers can misrepresent the energy flow as they don't consider the size of the organisms.
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