Part I:Referring to the YouTubeNat Geo film "Dr. Leakey and the Dawn of Man"...

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Part I:Referring to the YouTubeNat Geo film "Dr. Leakey and the Dawn of Man" (1966),(Link:https://www.youtube.com/watch?v=WyQDhBGSyC4 )discuss Mary Leakey's discovery of "Zinj" at Olduvai Gorge in 1959 in terms of how the discovery was made and the significance of the fossil. (One brief paragraph [3-4 sentences] and one brief paragraph responding to another's post.)
Part II:Question 4a: Referring to the attached powerpoint slideshow on early stages of hominin evolution, answer the following: a. Why do the footprints from Laetoli and Lucy's short ilium and valgus knee indicate that the hominins were balanced on two feet? (1 brief paragraph [3-4 sentences]) b. Speculate about the mutual relationship between the increased cranial capacity inHomohabilisand the invention of flaked stone tools. (1 brief paragraph [3-4 sentences])

human-evolution-evolution-of-hominin-bipedalism-early-hominins-p4lbnye4.pptx

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Title: Dr. Leakey and the Dawn of Man
Contents
Part I:	3
Mary Leakey’s Discovery of “Zinj” and Significance of Fossil	3
Part II:	3
Q4a.	3
Q4b.	4
Works Cited	5
Part I:
Mary Leakey’s Discovery of “Zinj” and Significance of Fossil
Mary Leakey and husband Louis Leakey together worked finding fossils of earlier humans. They were searching for the fossils of ancient human relatives called hominins under the layers of sediments located at Olduvai Gorge in Tanzania. The very painstaking and tedious task had a major relief when one day Mary noticed two protruding large teeth and ran back to inform her Louis who was down with fever the very day (YouTube).
The size of the large molars confused the couple into thinking it could not be of any fossil related to past humans but soon to realize that the fossil was of a hominin, which was a distant relative of today’s human species called as Homo sapiens. According to Dominguez-Rodrigo and Cobo-Sanchez, this was a valuable important discovery. They had found the remains of the earliest man that was ever found existed. 
Part II:
Q4a.

Part I:Referring to the YouTubeNat Geo film "Dr. Leakey and the Dawn of Man" (1966),(Link:https://www.youtube.com/watch?v=WyQDhBGSyC4 )discuss Mary Leakey's discovery of "Zinj" at Olduvai Gorge in...

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