How would you justify that Australopithecus was a human ancestors.
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How would you justify that Australopithecus was a human ancestors.
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The fossil record suggests that Australopithecus was an ancestor of modern humans. Here are some characteristics of Australopithecus that support this theory:
Bipedal: Australopithecus walked on two legs, similar to modern humans.
Small brain: Australopithecus had a small brain, about 1/3 the size of a modern human brain.
Teeth: Australopithecus had man-like teeth, with a rounded dental arch and no simian gap. Their canine teeth were smaller than apes, but their cheek teeth were larger than modern humans.
Face: Australopithecus had a low forehead, protruding face, and lack of chin. They also had a flat nose and projecting lower jaw.
Arms: Australopithecus had long, strong arms with curved fingers.
Australopithecus males and females had different body sizes. Males were about 4 ft 11 in tall and weighed 100 lbs, while females were about 3 ft 5 in tall and weighed 62 lbs. Males also had large crests on their skulls.
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