Spotted owls exist in multiple variations. Two species are shown in the image above. What answer below BEST DESCRIBES the cause & effect of the two different species?

Question 1 options:

The common ancestors of these owls were geographically isolated, and over time the allele frequencies changed so much they are no longer able to interbreed.

The common ancestors of these owls were geographically isolated, but can still interbreed, as the allele frequencies have likely not changed much.

The common ancestors of these owls were temporally isolated, and over time the allele frequencies changed so much they are no longer able to interbreed.

The common ancestors of these owls were temporally isolated, but can still interbreed, as the allele frequencies have likely not changed much.