This is an inverted pyramid:
Correct answer: D. Pyramid of biomass in a pond ecosystem
- A. Pyramid of numbers in a grassland ecosystem
- B. Pyramid of energy in a pond ecosystem
- C. Pyramid of biomass in a grassland ecosystem
- D. Pyramid of biomass in a pond ecosystem
Explanation
A pond may have an inverted biomass pyramid because the standing biomass of rapidly reproducing phytoplankton can be smaller than the biomass of consumers supported over time. Energy pyramids remain upright even in ponds.
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Practise Forest Ecology
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