Multiple choice

Ratio between the energy flow at various points along the food chain, when represented as percentage, is known as

  1. ecological efficiency

  2. ecological gradient

  3. relative ratio of energy flow

  4. energy flow efficiency

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A Correct answer
Explanation

Ratio between the energy flows at various points along the food chain when represented as percentage is known as 'ecological efficiency' which describes the efficiency with which the energy is transmitted from one trophic level to the next.