Biology

The correct answer is: C. The Mexican prairie dog and the Utah prairie dog share a common ancestor.

A.In the cladogram, the Utah prairie dog and Gunnison's prairie dog branch off from a common ancestor. It's not accurate to say that the Utah prairie dog was the ancestor of the Gunnison's prairie dog. They are sister - species that evolved from a shared ancestor, so this option is incorrect.

B.The cladogram does not show a direct evolutionary lineage where the white - tailed prairie dog evolved from the black - tailed prairie dog. They are separate branches that likely evolved from a more ancient common ancestor, so this option is incorrect.

C.All the species of prairie do...