1. Technology adds additional burdens to humans because it has lead to osteoporosis, heart disease, allergies and obesity.
True
False
2. Supporters of a multiregional/continuity model for modern human origins argue that the most genetic variation occurs in Africa because Africans had a larger population size.
a. True
b. False
3. Compared to Homo erectus, anatomically modern Homo sapiens limb bones are more robust.
a. True
b. False