A) Energy
B) biomass
C) Numbers
D) all of these
Correct Answer: D
Solution :
[d] pyramid of energy shows not only the amount of the total energy being utilized by the organisms at each trophic level of food chain but the actual role assumed to be played by them in transfer of energy. The pyramid of biomass is the total dry weight of organisms in an area. The pyramid of number refers to the number of individual organisms at each level.
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