Question 3.
Read the following statements and justify same in your own words with the help of suitable examples.
Geographical and reproductive isolation of organisms gradually leads to speciation.
Answer:
Evolution leads to the formation of new species from an existing one is known as speciation. Species is the group of organisms that can reproduce among themselves and produce fertile offspring. The origin of many species is due to the separation of some individuals of one species by geographic barrier. It prevents the reproduction in separated groups. The separated groups can follow its own evolutionary course and evolved into two species.
