Question

According to scientific thought, when does one species of organisms become two species?

A.
when one population becomes extinct

B.
when populations compete for the same resources

C.
when populations become separated from one another

D.
when one population cannot interbreed with the other population

Answer 1

Answer: D

Explanation: When One Population Cannot Interbreed With The other Population

Answer 2

D.
When one population cannot interbreed with the other population. FUN FACT! There's an exception. If a Lion has sex with a Tiger, a rare unfertile species called a 'Liger' is produced.