Question
Biology Question on Principles of Inheritance and Variation
Darwin finches differ with each other on the basis of:
A
(A) feather
B
(B) beak
C
(C) colour of eye
D
(D) body colour
Answer
(B) beak
Explanation
Solution
Explanation:
Darwin finches differ from each other on the basis of the beak.Each species specialize in different types of seeds. Generally, these different species because of their different feeding and nesting habits do not interbreed. In a series of dry seasons, the differences in beak size increase causing further separation of the different types of finches.Hence, the correct option is (B).