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JAMB Biology 2005 Question 39

Question 39

Population Ecology

Secondary succession is much faster than primary succession because

  1. A.pioneer colonizers are more in number
  2. B.Soil is already present
  3. C.secondary seres require less nutrients
  4. D.species competition is increased
Show the answer and explanation

Answer: B (Soil is already present)

Explanation

Secondary succession starts on land that already has soil, seeds and nutrients, for example after a fire. Primary succession must first make soil from bare rock, which takes a long time.