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American Institute of Biological Sciences

Action Bioscience: Origins of Modern Humans: Multiregional or Out of Africa

For Students 9th - 10th
Two migration theories are on the table for consideration. Weigh the evidence of each one in this article by Donald Johanson of Lucy fame.
Article
A&E Television

History.com: How Early Humans Survived the Ice Age

For Students 9th - 10th
The most recent ice age peaked between 24,000 and 21,000 years ago, when vast ice sheets covered North America and northern Europe, and mountain ranges like Africa's Mt. Kilimanjaro and South America's Andes were encased in glaciers. At...