WAEC Geography 2005 Question 42

Question 42

The Ecosystem

Which of the following shows the correct sequence in food chain?

  1. A.Herbivores → carnivores→ decomposer → plants
  2. B.Carnivores → decomposers → herbivores → plants
  3. C.Plants → herbivores → carnivores → decomposers
  4. D.Decomposers → herbivores → plants → carnivores
Show the answer and explanation

Answer: C (Plants → herbivores → carnivores → decomposers)

Explanation

Energy flows from plants to plant-eaters, then to flesh-eaters, and decomposers break down dead matter.