JAMB Biology 2005 Question 7

Question 7

Evolution

I. Rattus rattus II. Agama agama III. Bufo regularis IV. Tilapia zilli
The order of evolutionary advancement of the above vertebrates is

  1. A.I, II, III, IV
  2. B.I, IV, III, II
  3. C.II, III, IV, I
  4. D.IV, III, II, I
Show the answer and explanation

Answer: D (IV, III, II, I)

Explanation

Tilapia is a fish, Bufo a toad (amphibian), Agama a lizard (reptile) and Rattus a rat (mammal). From least to most advanced: fish, amphibian, reptile, mammal = IV, III, II, I.