JAMB Biology 1985 Question 42

Question 42

Feeding Relationships and Energy Flow

Which of the following food chains is in the correct sequence?

  1. A.Weeds → Tadpoles → Beetles → Fish → Man
  2. B.Weeds → Tadpoles → Fish → Beetles → Man
  3. C.Tadpoles → Beetles → Weeds → Man → Fish
  4. D.Man → Fish → Beetles → Tadpoles → Weeds
  5. E.Fish → Beetles → Weeds → Man → Tadpoles.
Show the answer and explanation

Answer: A (Weeds → Tadpoles → Beetles → Fish → Man)

Explanation

A food chain starts with the producer (weeds), eaten by tadpoles. Water beetles eat tadpoles, fish eat the beetles and man eats the fish.