Question

For two populations to evolve into two species that look different, what must happen?

A.) Extinction
B.) Competition
C.) Continental Drift
D.) Reproductive Isolation

Answer 1

D.) Reproductive Isolation!

Answer 2

Answer: The correct answer is D.) Reproductive Isolation.

For two population to evolve into two different species, reproductive isolation must take place. Reproductive isolation describes the inability of an organism to breed with related species or another organism because the other organism no longer belongs to the same species.

It is a mechanism of population to evolve into two different species that can be caused due to various factors such as geographical barriers, genetic, or physiological barriers.