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WAEC Biology 1998 Question 49

Question 49

Population Ecology

Which of the following organisms will be a colonizing species of a heap of moist sub soil?

  1. A.Green algae
  2. B.Ferns
  3. C.White mangrove
  4. D.Snails
  5. E.Tadpole
Show the answer and explanation

Answer: A (Green algae)

Explanation

Simple green algae are the first (pioneer) organisms to grow on fresh moist soil; ferns come later when there is humus.