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anth200mar10 - Anthropology : Midterm changed to April 2nd...

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Anthropology : Midterm changed to April 2 nd Primate origins slide. Need to memorize geological time periods. Time periods characterized by climate conditions, and plants and animals Paleocene (time period) 65-55 million years ago Beginning of modern continent. Climate topical and wet Eurasia and north America still connected First primate-like mammal: Purgatorius, from Purgatory Hill, Montana (size of small mouse, only have teeth remains) Radiation of Plesiadapids; rodent-like primates (Purgatorius is part of Plesiadapid group) Tree living, eat fruits and bugs Died out at next time period Big questions is the gap between Paleocene and Eocene in Primate Evolution Eocene (meaning dawn) 55-36 Million years ago Climate still warm and we world wide Origin of Angiosperms – flowering plants (before only ferns, carnivorous trees, etc), now honey bees Rise of rodents; which may have driven Plesiadapids into extinction (b/c rodents so successful) First true primates emerge: Adapids squirrel-house cat size (Tupaia, tree shrews, are around now that are similar to what we think Adapids are) Main question: how did monkeys get to South America (new world) either north America, or from Africa? Adapids are in North America, but South America is not connected to North America or
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This note was uploaded on 09/03/2009 for the course ANTH 200 taught by Professor Stanford during the Fall '08 term at USC.

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anth200mar10 - Anthropology : Midterm changed to April 2nd...

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