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What is the average percentage of energy that can be transferred from one trophic level to another trophic level in a food chain?
Question

What is the average percentage of energy that can be transferred from one trophic level to another trophic level in a food chain?

A.

1

B.

5

C.

10

D.

50

Correct option is C

The correct answer is: (C) 10
Explanation:
According to the 10% Law of Energy Transfer proposed by Raymond Lindeman, only 10% of energy from one trophic level is transferred to the next in a food chain.
The remaining 90% is lost as heat, respiration, and metabolic activities.
Information Booster:
  • Producers (Plants) absorb solar energy, but only 1% is converted into chemical energy.
  • Primary Consumers (Herbivores) receive 10% of plant energy.
  • Secondary Consumers (Carnivores) get 10% of herbivore energy.
  • Tertiary Consumers receive very little energy, limiting the number of trophic levels.
Additional Information:
  • Less than 10% transfer occurs in some ecosystems due to inefficient digestion.
  • Energy flow in an ecosystem is unidirectional and cannot be recycled.

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