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JAMB Biology 2009 Question 34

Question 34

Ecosystem and Ecological Factors

Use the graph to answer: The zone of physiological stress is represented by

Diagram for this question
  1. A.I and II
  2. B.II only
  3. C.II and III
  4. D.I and III.
Show the answer and explanation

Answer: D (I and III.)

Explanation

In zones I and III the temperature is too low or too high, so only a few individuals survive. These are the stress zones; zone II is the optimum range.