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WAEC Biology 1995 Question 38

Question 38

Feeding Relationships and Energy Flow

Which of the following is the correct chain for the organism found in an aquatic community?

  1. A.Paramecium, Phytoplankton, Prawn, Waterflea, Tilapia, Shark
  2. B.Waterflea, Paramecium, Phytoplankton, Prawn, Tilapia, Shark
  3. C.Phytoplankton, Waterflea, Paramecium, Prawn, Shark, Tilapia
  4. D.Phytoplankton, Paramecium, Waterflea, Prawn, Tilapia, Shark
  5. E.Paramecium, Phytoplankton, Waterflea, Prawn, Shark, Tilapia
Show the answer and explanation

Answer: D (Phytoplankton, Paramecium, Waterflea, Prawn, Tilapia, Shark)

Explanation

A food chain must start with the producer (phytoplankton) and end with the top predator (shark).