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neet BIOLOGYMedium

Which of the following statements is incorrect?

A
  1. Biomass decreases from first to fourth trophic level.
B
  1. Energy content gradually increases from first to fourth trophic level.
C
  1. Number of individuals decreases from first trophic level to fourth trophic level.
D
  1. Energy content gradually decreases from first to fourth trophic level.

Step-by-Step Solution

the energy flow in an ecosystem is unidirectional and follows the 10 per cent law, meaning only 10 per cent of energy is transferred to the next trophic level. Therefore, the amount of energy decreases at successive trophic levels, making the statement that energy content increases incorrect . Additionally, the pyramid of energy is always upright and never inverted .

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