1. Why are early hominin fossils found primarily in the Rift Valley and in the Transvaal region of South Africa?
2. What structural changes were selected for in early hominins to facilitate bipedality and what were the selective advantages of bipedality for these hominins?
3. What are the implications of a near-modern infant to mother body mass ratio in Australopithecines? How does this ratio differ from that of chimp infants and mother?