Hi, what do you want to do?
Other
E Fossils: Step by Step: Evolution of Bipedalism
In this tutorial, students will identify the fossil evidence for the evolution of bipedalism then hypothesize about the evolutionary pressures affecting bipedal behavior.
American Institute of Biological Sciences
Action Bioscience: Origins of Modern Humans: Multiregional or Out of Africa
Two migration theories are on the table for consideration. Weigh the evidence of each one in this article by Donald Johanson of Lucy fame.