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JAMB Biology 1993 Question 42

Question 42

Population Ecology

Which group of plants would be the first colonizers in an ecological succession changing rocks to soil?

  1. A.Mosses
  2. B.Ferns
  3. C.Lichens
  4. D.Grasses.
Show the answer and explanation

Answer: C (Lichens)

Explanation

Lichens can live on bare rock; they release acids that break the rock down and start soil formation, so they are the pioneers.