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

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Question 1

Multiple Choice

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Early fossil primates from the Eocene would most likely have shared their habitat with:

A) rodents.
B) trilobites.
C) kangaroos.
D) dinosaurs.

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Question 2

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Which of the following is NOT true of the Eocene euprimates?

A) They possessed postorbital bars.
B) They had grasping digits on both hands and feet.
C) They were quite large,greater than 20 kg (44 lbs) .
D) They had relatively large brains.

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Question 3

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If you are examining the fossil remains of the genus Dryopithecus,they are most likely from where?

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

The earliest known South American primate is a 26-million-year-old monkey from Bolivia called:

Which of the following is NOT one of the main hypotheses to explain primate origins?

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

While reading a journal article on the evolution of primate characteristics you note that the author supports the arboreal hypothesis as the driver of the primate evolution.Which of the following arguments could you develop in response to this article?

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

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

Apes went extinct in southern Europe (e.g.,France,Spain,Italy,Greece) during the late Miocene,probably as a result of:

The northern African fossil primate called Biretia may be an early anthropoid,based on the morphology of its:

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

If you are digging in a 20-million-year-old fossil site in eastern Africa,which primate are you most likely to come across?

Adapids had a tooth comb in the lower jaw,like living lemurs.

A press release on the findings from a dig in the Bighorn Basin of Wyoming report the finding of a series of extinct primate fossils that may be a link between lesiadapiforms and later primates due to an opposable big toe.The find is likely:

Primitive Old World monkeys from the mid- to the late Miocene of Africa are members of which family?

Platyrrhine fossils first appear in the South American fossil record during the late Oligocene epoch.Since they are not found in earlier fossil-bearing sediments,and South America at that time was essentially an island continent,how do scientists think they got there?

The skeleton of most Miocene apes was more like that of living monkeys than like that of living apes.

Which of the following is NOT a typical primate trait?