JAMB Biology 1989 Question 50

Question 50

Habitats and Biomes

Use the figure (vegetation profiles P, Q, R and X) to answer: Which ecological factor exerts the greatest influence on the structure of the profiles?

Diagram for this question
  1. A.Topographic
  2. B.Edaphic
  3. C.Biotic
  4. D.Climatic
Show the answer and explanation

Answer: D (Climatic)

Explanation

The change from forest to sparse grass follows falling rainfall, which is a climatic factor.