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WAEC Biology 2017 Question 36

Question 36

Feeding Relationships and Energy Flow

Which of the following pyramids gives the most accurate picture of the relationships between the organisms at the various trophic levels in a food chain? A pyramid of

  1. A.numbers.
  2. B.energy.
  3. C.biomass.
  4. D.size.
Show the answer and explanation

Answer: B (energy.)

Explanation

A pyramid of energy shows how much energy actually flows from one trophic level to the next. It is never upside down, unlike pyramids of numbers and biomass.