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WAEC Biology 1998 Question 45

Question 45

Feeding Relationships and Energy Flow

Which of these organisms occupies the 3rd trophic level?

Diagram for this question
  1. A.King fisher
  2. B.Small fish
  3. C.Phytoplankton
  4. D.Big fish
  5. E.Tadpole
Show the answer and explanation

Answer: B (Small fish)

Explanation

Phytoplankton are the 1st level, tadpoles the 2nd and small fish the 3rd.