Becoming Human worksheet Part I: “First Steps”
- What is the significance of the discovery of a fossil named Salaam (or “peace” in Ethiopian)?
2. Roughly when was Salaam living and how do we know this?
3. What are the comparisons made between chimpanzees and Australopithecus and how are they significant?
4. What was the climate/environment of Africa like many millions of years ago (say, 6 mya)?
5. According to biomechanist Daniel Lieberman, why did human ancestors become bipedal (walked
upright)?
6. What is the Molecular Clock and how does it work?
7. What was the significance of the discovery of Sahlenthropus tchadensis?
8. What evidence is used to suggest that brain development was happening in early human ancestors?
9. What was the climate of Africa like roughly 3 million years ago to 1 ½ million years ago?
10. How are these latest discoveries being used to challenge traditional conceptions of human evolution?
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