A) always upright
B) always inverted
C) bell-shaped
D) None of these
Correct Answer: A
Solution :
Pyramid of energy is a graphic representation of amount of energy capped per unit time and area in different trophic levels of a food chain with producers forming the base and top carnivores the tip. The pyramid of energy is always upright. Pyramid of number is inverted in the tree ecosystem and the pyramid of biomass is inverted in aquatic ecosystem.
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