Which of the following is not true for a pyramid of product…

Biology Ecosystem All Topic Question For Revision Test Single Correct MCQ

Published on: August 14, 2026

Which of the following is not true for a pyramid of productivity?

Only about 10% of the energy in one trophic level is passed into the next level.

Because of the loss of energy at each trophic level, most food chains are limited to three to five steps.

The pyramid of productivity of some aquatic ecosystems is inverted because of the large zooplankton primary – consumer level.

Eating grain-fed beef is an inefficient means of obtaining the energy trapped by photosynthesis.

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A pyramid of productivity (or energy) represents the rate of energy flow and is always upright because energy is lost at each trophic level. While a pyramid of biomass can be inverted in aquatic systems, the productivity of the producers must always be higher to support the levels above them.

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