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WAEC Biology 2024 Question 29

Question 29

Feeding Relationships and Energy Flow

The illustration below is a food chain: Grasses → Grasshoppers → Lizards → Hawks. Which of the following statements is not correct about the food chain? The number of

  1. A.grasses eaten by grasshoppers is greater than the number of grasshoppers.
  2. B.grasses eaten by grasshoppers is fewer than the number of grasshoppers.
  3. C.grasshoppers eaten by lizards is greater than the number of lizards.
  4. D.lizards eaten by hawks is greater than the number of hawks.
Show the answer and explanation

Answer: B (grasses eaten by grasshoppers is fewer than the number of grasshoppers.)

Explanation

Each consumer eats many organisms from the level below, so the grasses eaten are more than the grasshoppers. Statement B says the opposite, so it is the incorrect one.