Question

Read the following statements carefully w.r.t. Founder’s effect and choose the correct answer.

Statement-X: Darwin’s finches present on Galapagos islands are examples of Founder effect, adaptive radiation and natural selection.
Statement-Y: Most of the kinds of organisms that occur in such areas (Galapagos) were probably derived from initial lot of founder members.

• A. Both statements are correct
• B. Both statements are incorrect
• C. Only statement X is correct
• D. Only statement Y is correct

Answer 1

The correct option is A Both statements are correct

In Founder’s effect, one or a few individuals are dispersed and become the founder of a new isolated population at some distance from their place of origin.

The process of evolution of different species in a given geographical area starting from a point and literally radiating to other areas of geography (habitats) is called adaptive radiation.

Natural selection is a process in which heritable variations enabling better survival are enabled to reproduce and leave greater number of progeny.

Darwin’s finches present on Galapagos islands are examples of Founder effect, adaptive radiation and natural selection. Hence, both statements are correct.