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प्रश्न
Which ancestor existed in the timeframe of 4–1.8 million years ago and displayed semi-erect to upright posture?
विकल्प
Dryopithecus
Homo habilis
Australopithecus
Homo erectus
MCQ
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उत्तर
Australopithecus, existing 4–1.8 million years ago, is characterized by semi-erect to upright posture and small cranial development. This species inhabited open habitats and represents a crucial intermediate stage between the fully ape-like ancestors and the more advanced Homo species.
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