This chapter addresses the following questions:
- What are the hominins, and why do we call them our ancestors?
- What hominin fossils do we have for the late Miocene through the mid–late Pliocene (6–3 million years ago)?
- What are the evolutionary relationships between the early hominins?
- What do these fossils tell us about the behavior and lifeways of these hominins?
- Why did the hominins become bipedal?
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