Which scenario describes allopatric speciation a A population of squirrels is

6. Which scenario describes allopatric speciation?a.A population of squirrels is separated by the Grand Canyon. The two subpopulations evolve into two distinctspecies.b.A tetraploid plant species evolves from a diploid ancestor. Both the tetraploid anddiploid species are foundin 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.

7Sympatric speciation specifically EXCLUDES ________.