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WAEC Biology 2003 Question 38

Question 38

Feeding Relationships and Energy Flow

Which of the following values showing the total biomass of organisms in a food chain represents the secondary consumer?

  1. A.40,000
  2. B.3,000
  3. C.20
  4. D.1
Show the answer and explanation

Answer: C (20)

Explanation

Biomass falls at each step up a food chain: producers 40,000, primary consumers 3,000, secondary consumers 20, tertiary consumers 1.