Anth121-2008AnthropoidOrigins

Anth121-2008AnthropoidOrigins - The Origin of Apes and...

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The Origin of Apes and Monkeys
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Miocene Primates • During the Miocene the Old World monkeys, apes and gibbons diverged • Early in the Miocene the apes had an adaptive radiation and moved into a variety of arboreal and terrestrial niches. • Toward the end of the Miocene the diversity of apes decreased while the diversity of monkeys increased
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Miocene Environments • During the Miocene there was an expansion of savannah-woodland environments in Africa and Eurasia • Tropical forests gave way to a mosaic of habitats including woodland savanna, true savanna, and semiarid regions.
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Expansion of Woodlands • Comparison of extent of the woodland biome 18-15 mya (above) and 15-12 mya (below) • The extent of Tethys Sea (ancestral to the Mediterranean) also changes significantly.
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The Distribution of Miocene Apes
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• During the Miocene there was an adaptive radiation of Apes. At this time they were found in Eurasia and Africa • There were large, medium and small sized species of great apes as well as gibbon-like forms. • Most forms appear to
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This note was uploaded on 08/06/2008 for the course ANTH 121 taught by Professor Walker during the Spring '08 term at UCSB.

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Anth121-2008AnthropoidOrigins - The Origin of Apes and...

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