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

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Based on the existing fossil record and the genetics of living primates,the most likely place of origin for New World monkeys is:

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Contenders for primate status from the Paleocene epoch lack which of the following characteristics observed in adapids and omomyids?

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Gigantopithecus,the largest primate that ever lived,weighed approximately:

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Why is the Fayum depression in Egypt such an important site for understanding the origin and diversification of anthropoid primates?

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It is now a desert,but 30 mya the Fayum region of Egypt was a wet tropical forest.

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Which fossil group is characterized by an eye orbit fully enclosed by bone?

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Name and briefly describe the three main models,or hypotheses,of primate origins.

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Based on the fossil record,scientists agree that primates were much less geographically widespread in the past than they are today.

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Miocene victoriapithecids are considered primitive ancestors of all living New World monkeys.

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A fossil primate with legs and arms of about equal length would most likely have gotten around using which form of locomotion?

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Fossil primates have NOT been recovered from which continent?

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If you traveled back in time to Africa about 27 mya and came across a group of the early ape Proconsul feeding in a tree,what would you NOT expect to see these animals doing?

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The first primate fossil ever recorded was of Adapis parisiensis,described by Georges Cuvier in France in 1822.

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Fossil and living apes exhibit a distinctive Y-5 pattern on the chewing surfaces of their molar teeth.

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

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