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Notes on video lecture:
The Laetoli Footprints of Australopithecus afarensis
Notes taken by Edward Tanguay on June 26, 2017 (go to class or lectures)
Choose from these words to fill the blanks below:
two, volcanic, upright, 200, heel, Bauman, Abell, 1974, mammals, ape, divergent, Naturkunde, Leakey, Nile, afarensis, bipedal
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Laetoli footprints
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Tanzania
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first evidence of walking by early hominin
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preserved in layer
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not only has hominin footprints but other
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lions
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antelope
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square kilometers
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1894 reported in scientific literature
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Oscar
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Austrian geographer
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was looking for the source of the River
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he got lost
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collected fossils
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took them back to Germany, at Berlin Museum
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1940s
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more fossils collected
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more scientists wanted to come
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Louis and Mary was planning a German/British research trip, but was cancelled because of the war
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Mary Leakey came back
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collected fossils
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first hominin fossils
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LOH 4
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prototype for Australopithecus
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3.85 and 2.95 million years ago
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Lucy's species
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1978 footprints
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first evidence of posture and bipedal evidence in hominins
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3.5 or 3.6 million years ago
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the more the prints are exposed
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there could be more than individuals
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probably four individuals with same stature and same height
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the entire footprint trail is almost 27 meters long and includes impressions of about 70 early human footprints
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1978 Paul joined Leakey's team and found the 27 meter-long footprint trail
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the early humans that left these prints were bipedal and had big toes in line with the rest of their foot
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his means that these early human feet were more human-like than -like
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apes have highly big toes that help them climb and grasp materials like a thumb does
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the footprints also show that the gait of these early humans was -strike followed by toe-off, the way modern humans walk
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