The large body size aspect is also reflected in the local community’s interpretations of the Laetoli hominin footprints. a. its efficient bipedalism b. its large brain c. its tool-making ability d. all of the above. https://www.nhm.ac.uk/discover/australopithecus-afarensis-lucy-species.html M. Maurice Abitbol, “Lateral view of Australopithecus afarensis: primitive aspects of bipedal positional behavior in the earliest hominids,” Journal of Human Evolution, 28 (March, 1995): 211-29 (internal citations removed). The skeleton on the left is “Lucy,” an Australopithecus afarensis that is 3.2 million years old. afarensis is associated with the Laetoli Footprints, a 24-meter trackway of hominin fossil footprints preserved in volcanic ash discovered by Mary Leakey in Tanzania and dated to 3.5 mya to 3 mya. Leslie Aiello quoted in Leakey and Lewin, Origins Reconsidered: In Search of What Makes Us Human, 196. e. its efficient bipedalism and large brain This exceptional body size, which falls within the range of modern Homo sapiens maximum values, makes it the largest Australopithecus afarensis individual identified so far. The hominin footprints were left by two bipedal (that is, walking on two legs) individuals walking on the same surface, at the same time, in the same direction and … Now, it's time to focus on what we have in common with the rest of life. That makes it look more plausible that A. anamensis and A. afarensis could actually be branches from a common ancestor; in other words, they could be sisters, not mother and daughter. She lived in Ethiopia 3.2 million years ago. Smithsonian National Museum of Natural History The Smithsonian Institution's Human Origins Program “It’s not the SIZE of the brain, but HOW you use it!” •Jutting jaw, prominent (sticking out) brow, flared cheekbones •Long arms, human-like legs •Under 4 Feet Tall These footprints indicate that Australopithecus afarensis was capable of walking upright. The Maasai’s Interpretation . Hominid Versus Hominin ... An artist’s reconstruction of Australopithecus afarensis, a species that can be called a hominid or a hominin. 'Lucy' is a collection of fossilised bones that once made up the skeleton of a hominid from the Australopithecus afarensis species. Hominin footprints were found at a place called Laetoli in Tanzania, which is slightly older than the Australopithecus afarensis fossil skeleton called Lucy found at Hadar in Ethiopia. Au. What makes afarensis a hominin? Hominin burial - We have learned a lot by trying to figure out what makes humans unique. 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