On a phylogenetic tree for Anthropoidea, the clade that includes ____ and the clade that includes ____ are sister taxa because they emerged from a common node.
A) chimpanzees; orangutans
B) orangutans; humans
C) gorillas; chimpanzees
D) gorillas; both chimpanzees and humans
E) old world monkeys; both chimpanzees and humans

Question

Quizplus · Accepted Answer

Gorillas and the clade that includes both chimpanzees and humans are sister taxa because they share a more recent common ancestor with each other than with other groups on the phylogenetic tree for Anthropoidea.

On a Phylogenetic Tree for Anthropoidea, the Clade That Includes