Answer :
Final answer:
Australopithecus, with its ape-like characteristics and bipedalism, evolved in eastern Africa millions of years ago, showcasing a mix of traits related to great apes and humans.
Explanation:
Australopithecus is a genus of hominin that evolved in eastern Africa approximately 4 million years ago and became extinct about 2 million years ago. They had characteristics more similar to great apes than modern humans, such as exaggerated sexual dimorphism, smaller brain size relative to body mass, and bipedalism. These individuals displayed varying degrees of arborealism and bipedality, walking on the ground on two legs but likely still comfortable with climbing trees. Fossil footprints dated to 3.6 million years ago demonstrate that hominins at that time were already walking upright.
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