Providingaroutefor forestadapted organismstomove

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Unformatted text preview: 6) Second phase Middle Pleistocene Humid interglacial periods cause closed­ canopy rain forest to dominate tropical America Providing a route for forest adapted organisms to move northward Three­phase Model Three­phase Model Webb & Rancy (1996) Third Phase Late Pleistocene Tropical America suffered massive extinction 56 genera lost, 54 of the 56 were of large body size Due to: Climate Change Human Overkill Mammalian Interchange Mammalian Interchange Summary Graph Aftermath of Interchange A...
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This note was uploaded on 10/02/2011 for the course BIOL 1407 taught by Professor Lisagloyna during the Spring '09 term at Austin Community College.

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