Question

Speciation has definitely occurred when two groups of related organisms A) cannot interbreed successfully. B) have drastically different behaviors. C) have drastically different appearances. D) become permanently isolated from each other.

Answer 1

Answer:

Explanation:

Hi

Answer 2

Answer:

Speciation has definitely occurred when two groups of related organisms cannot interbreed successfully

Explanation:

Hence the correct option is A. Speciation can be referred as a process within the evolution and distinct and new species which are isolated reproductively from each other are formed in it.

The process involves disintegration of any single mother species into 2 or more species which are genetically distinct.