A flood washes a small group of frogs hundreds of miles downriver from its original population. This group forms a new populatio
n. Over time, the two populations of frogs become unable to interbreed. What is the name of the process by which populations become reproductively isolated?
Answer: Speciation is the process by which new species form. It occurs when groups in a species become reproductively isolated and diverge. In allopatric speciation, groups from an ancestral population evolve into separate species due to a period of geographical separation.