AP BIOLOGY

Detailed explanation-1: -Common descent is an effect of speciation, in which multiple species derive from a single ancestral population. The more recent the ancestral population two species have in common, the more closely are they related.

Detailed explanation-2: -So, the correct answer is ‘The more their DNA sequences will match’

Detailed explanation-3: -The pattern of branching in a phylogenetic tree reflects how species or other groups evolved from a series of common ancestors. In trees, two species are more related if they have a more recent common ancestor and less related if they have a less recent common ancestor.

Detailed explanation-4: -Answer and Explanation: The correct answer is (D) Primates and Rodents/Rabbits. As you can see in the cladogram, primates and rodents/rabbits are both removed from their evolutionary common ancestor by a single branch point.

Detailed explanation-5: -In Darwin’s thinking, the more closely related two different organisms are, the more recently they shared a common ancestor. According to Darwin’s theory of evolution, common descent comes from an event of speciation, in which an ancestral population derives into two or more new species.