1 gen 4300000 anni a. C. - creatures labeled Ardipithecus ramidus lived

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In what today is Ethiopia, creatures labeled Ardipithecus ramidus lived, represented today by the nickname created by scientists: "Ardi". Her species was either directly ancestral to humans or closely related to a species ancestral to humans. She was 1.2 meters (4 feet) tall. She walked on two feet – not knuckle-walking as gorillas and chimps do, but did not have arched feet like us, indicating that she could not walk or run for long distances. She had opposable great toes and she had a pelvis that allowed her to negotiate tree branches well.

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