What is important about Sahelanthropus, both in terms of what the fossil tells us, and where it was found?

“Nothing is more fascinating to us than, well, us. Where did we come from? What makes us human? An explosion of recent discoveries sheds light on these questions, and NOVA’s comprehensive, three-part special, “Becoming Human,” examines what the latest scientific research reveals about our hominid relatives—putting together the pieces of our human past and transforming our understanding of our earliest ancestors.”
1.How has the climate and the ecosystems of the Great Rift Valley in East Africa changed over millions of years?(Must use at least 50 words)

2.What kind of hominin was Salam? What does Salam mean and why did the anthropologist name it that?(Must use at least 30 words)

3.What is important about Sahelanthropus, both in terms of what the fossil tells us, and where it was found?(Must use at least 50 words)

4.Name three of the earliest bipedal hominins? What do they tell us about how bipedalism developed?
Must use at least 30 words

5.What is responsible for the sudden increase in brain size in genus Homo compared to Australopithecus? How might have this affected the survival and evolution of our own genus compared to others?
Must use at least 50 words

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