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WAEC Biology 2015 Question 27

Question 27

Population Ecology

A community reaches a climax when

  1. A.only pioneer organisms are present.
  2. B.new habitats are constantly being formed.
  3. C.there is an introduction of new plants and animal species within the community.
  4. D.the composition and size of a community remains constant over a long period.
Show the answer and explanation

Answer: D (the composition and size of a community remains constant over a long period.)

Explanation

A climax community is the final, stable stage of succession, where the kinds and numbers of organisms stay about the same for a long time.