B2 - Pyramids of Numbers

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Pyramids of numbers are similar to pyramids of biomass.

The main difference, however, is that each bar represents the number of organisms at that stage of the food chain, not their mass.

Pyramids of biomass are generally pyramid shaped.


Pyramids of numbers are often not pyramid shapes at all.

For example, if the producer (bottom bar) was a tree, and the things consuming it (second bar) were a group of aphids, then the second bar would be drastically bigger than…


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