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ANT100Y1 (974)
Lecture

Lecture 4

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Department
Anthropology
Course
ANT100Y1
Professor
Gary Coupland
Semester
Fall

Description
LECTURE 4November 19 2009 Primate and Human Evolution Time Frame and ClimateMillions of yearsMYA Before PresentBPMany Epochs during the Tertiary Period Earliest EpochPaleocene PrimatesGeography and climate very differentfrom today hotter more humidtoday average temperature is 30 degrees Celsius no icecaps at poles then Paleocene and Primatelike Mammals Plesiadaptiforms Body size tiny shrewsized to size of small dog diet insects and seedsNiche likely solitary nocturnal quadrupeds well developed sense of smell Used to be classified as primates primatelike teethlimbs adapted for arboreal lifestyle NOT PRIMATES1 No postorbital bar 2 Claws instead of nail 3 Eyes placed on size of head and 4 Enlarged incisors rodentlike feature Pleisadaptiforms closely related to other primatesCladisticsprimates may have evolved from 87 MYA at some point 8090 of living things diedwiped out
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