Which of the following describes allopatric speciation?
A)A population of squirrels is separated by the Grand Canyon.The two subpopulations evolve into two distinct species.
B)A tetraploid plant species evolves from a diploid ancestor.Both the tetraploid and diploid species are found in the same habitat.
C)One population breeds in the fall; another population breeds in the spring.
D)A male horse and a female donkey mate,producing a sterile hinny.

Question

Quizplus · Accepted Answer

Allopatric speciation occurs when populations are physically separated from each other, often by a geographic barrier, and evolve independently into distinct species. The example given in choice A fits this definition. The other choices describe different types of speciation.

Which of the Following Describes Allopatric Speciation