BI-1888
Pyramids of numbers and biomass
Biology · Secondary 4 · Hard · Pyramids of numbers and biomass
In a grassland, many grass plants feed a large number of grasshoppers. These grasshoppers are eaten by a few frogs, which are then eaten by a single eagle.
Which statement about the pyramids is correct?
A pyramid of numbers is narrow at the top, and a pyramid of biomass is also narrow at the top.
Which statement about the pyramids is correct?
A pyramid of numbers is narrow at the top, and a pyramid of biomass is also narrow at the top.
- Both pyramids are wider at the top than at the bottom.
- Pyramid of numbers is wider at the top; pyramid of biomass is wider at the bottom.
- Pyramid of numbers is wider at the bottom; pyramid of biomass is wider at the top.
- Both pyramids are wider at the bottom than at the top.
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