Biologymedium · Past Paper
In a pyramid of biomass for a pond ecosystem, which level usually has the least biomass?
APhytoplankton
BZooplankton
CSmall fish
DLarge fish
✓ Correct Answer: D — Large fish
In most inverted biomass pyramids of aquatic systems, the top carnivores have less biomass than lower levels (though producers are often rapidly consumed).
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