This preview shows page 1. Sign up to view the full content.
Unformatted text preview: Australopithecus 3.5 Ma Homo erectus 1.5 Ma Homo sapiens 40 Ka...
View Full Document
This note was uploaded on 11/22/2011 for the course BIOLOGY 190a taught by Professor Staff during the Fall '11 term at UMass (Amherst).
- Fall '11