Exam 9: Primate Origins and Evolution: the First 50 Million Years

The most distinctive feature of ape dentition, which clearly distinguishes apes from Old World monkeys, is:

Which species of early primates had the most biological diversity?

Based on genetic analysis of living primates calibrated by the fossil record, it is estimated that apes and Old World monkeys diverged into separate lineages around:

Euprimates represent the:

A rapid temperature increase about 55 mya created tropical conditions around the world, resulting in the:

The angiosperm radiation hypothesis proposes that:

The best-accepted hypothesis for the dispersal of African monkeys to the New World is:

Which genus is considered the ancestor to adapids and omomyids?

A difference between Miocene apes and modern apes is:

The Fayum desert has yielded fossils of these three primates:

The calcaneus (heel bone) of Eosimias suggests that it may be a very primitive:

Which anatomical feature would you expect to find in the fossil remains of a nocturnal species?

Gigantopithecus:

Chororapithecus is considered the:

The similarity of the foot bones between _________ and the living anthropoids makes it the likely first true primate.

Comparisons of tooth wear in living apes and extinct Miocene apes suggest that some extinct species of apes ate:

The visual predation hypothesis proposes that:

Plesiadapiforms are also called:

Discuss the evolution of primates beginning with the Paleocene proprimates. In your answer, consider the effect of climate change on the environment and primates' environmental adaptations.

Which of the following apes has been proposed as the last common ancestor of living African apes and humans?