Speciation can occur when two populations of a species become separated from each (ther. What is the best explanation for why speciation occurs?
OA. One of the populations tends to begin breeding with a different species and produces sterile offspring.
OB. Populations of the same species continue to interbreed even after they have been separated.
OC. One of the populations loses the ability to produce viable offspring and becomes extinct.
OD
Populations of the same species living in different environments tend to change in different ways.