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WAEC Biology 2012 Question 60

Question 60

Evolution

Which of the following sequences is the correct evolutionary trend in plants?

  1. A.Algae → liverworts → mosses → ferns
  2. B.Liverworts → mosses → ferns → algae
  3. C.Mosses → algae → ferns → liverworts
  4. D.Ferns → liverworts → mosses → algae
Show the answer and explanation

Answer: A (Algae → liverworts → mosses → ferns)

Explanation

Plants evolved from simple water-living algae to liverworts and mosses, then to ferns with vascular tissue.