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
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
View Full Document
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.
- Spring '09