Chapter 9 Quiz

Which Eocene organisms had clear primate characteristics like a postorbital bar, opposable thumbs, nails, and a large brain?

Which genus is considered the ancestor to adapids and omomyids?

A valid criticism of the idea that anthropoids evolved independently in Africa and South America is that

The arboreal hypothesis proposes that defining primate characteristics were adaptations to life in the trees, such as:

The space between the canine and the first premolar in the lower jaw of some primates is a(n):

The angiosperm radiation hypothesis proposes that:

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:

The most likely contender for the common ancestor of all later catarrhines is:

Basal anthropoids are:

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

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

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

Monkeys underwent massive _______ in the Pliocene and Pleistocene.

A valid criticism of the arboreal hypothesis of primate origins is that

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

Eocene primates differ from Paleocene primates in the following way(s)

Sivapithecus is widely recognized as an ancestral member of which ape lineage?

The visual predation hypothesis proposes that:

Primate fossils have been recovered from all of the following continents except:

During the Miocene epoch of the Cenozoic era, there was an adaptive radiation of which kind of primate?

The arboreal hypothesis of primate origins explains that

The common ancestor of all later catarrhines, Old World monkeys, and hominins was likely

Euprimates, the first true primates, consisted of the following two groups:

Robert Sussman's angiosperm radiation hypothesis is based on the finding that

The shift from the Miocene, which had greater diversity of ape species and fewer monkey species, to a living assemblage with greater diversity of monkey species and fewer ape species may be the result of:

Euprimates represent the first true:

Plesiadapiforms are also called:

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

Gigantopithecus stood _______ feet tall and weighed _______ pounds.