| The Galapagos islands are a group of volcanic islands in the Eastern Pacific Ocean about 1000 km from South America. Thirteen species of finch are found on the islands they resemble each other closely but differ in their feeding habit and in the shape of their beaks. Assuming that an ancestral stock of finches came from the mainland what is the most likely explanation for the existence of similar but distinct species of Galapagos finches? |
A) Finches developed different kinds of beak in order to feed on different kinds of food
B) Finches evolved separately according to the habitat in which they settled
C) Finches from the mainland bred with a resident population of a related species and produced new genotypes
D) Finches underwent convergent evolution to produce very similar species
Correct Answer: A
Solution :
Since, all the species of finches differ in their feeding habits. This may be due to the fact that finches developed, different kinds of beak in order to feed on different kinds of food.
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