Question

Which clue indicates that speciation has occurred between two populations? A. The two populations can no longer interbreed. B. Individuals in one population look different from those in the other population. C. A barrier, such as a river or mountain range, separates the two populations. D. Scientists have renamed one of the populations.

Answer 1

The answer is A. Just as a warning though the test that you are probably asking about is totally jacked up. So jacked up, if you do bad its fine. If you do good well your an amazing person. Hope I helped! :) (sorry for the super late answer @LorneRitacambay, but I hope I will help others in need of help.