From Figure 26.5, to which of the extant apes are orangutans most closely related?
A) gibbons and siamangs
B) Dryopithecus and Ouranopithecus
C) gorillas
D) chimps
E) chimps, gorillas, and humans

Question

Quizplus · Accepted Answer

Orangutans are most closely related to chimps, gorillas, and humans according to the current understanding of primate evolution. This grouping, including orangutans, shares a more recent common ancestor with each other than with gibbons, siamangs, or the extinct genera Dryopithecus and Ouranopithecus.