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Human Evolution; IN BRIEF

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Aritro Biswas
St. Xavier's Collegiate School (SXCS), Kolkata
10th
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Human Evolution Name Height Cranial Capacity 450-600 cm3 Bipedalism and Posture Walked straight. Distinct lumber curve with broad pelvis. Head and Face Outward protruding face. Australopithecu s 120 cm (3.5-4 feet) Homo Habilis Teeth Eyebrow Chin Body Hair Man-like. No canines projecting out. Simian gap was absent. Dentition showed small man like canines. Eyebrow ridges projected over eyes. Chin was absent. Profound hair in body. 150 cm (4.5-5 feet) 680-735 cm3 A large head. Less outward protruding face. Homo Erectus 120-150 cm (5-5.5 feet) 800-1125 cm3 Homo Sapiens Neaderthalensis 160 cm (5.5 feet) 1450 cm3 Showed bipedalism. Slightly more erect than Australopithecus . Walked fully straight. Pelvis was more bowl shaped. Proportion of arm and legs resembled of modern man. Absolute bipedalism. Eyebrow ridges projected over eyes. Chin was absent. Length of the hair reduced over the body. Forehead was receding. Jaws still projecting out. Size and arrangement of teeth was more human like. Thick eyebrows. Chin was absent. Length of the hair reduced over the body. A Large head. Broad-flat and sloping forehead. Size and arrangement of teeth was more human like. Prominent eyebrow ridges. Chin was absent. Length of the hair reduced over the body. Present all over the body. Name Height Homo Sapiens 180 cm (5.5-6 feet) Homo Sapiens Sapiens 180 cm (5.5-6 feet) Cranial Capacity 1450-1600 cm3 Bipedalism and Posture Absolute bipedalism. Head and Face Rounded forehead. Face was perfectly straight. Teeth Eyebrow Chin Body Hair Strong jawed with man like dentition. Lacked eyebrow ridges. Well developed chin. Less hairy. Present all over the body. 1450-1600 cm3 Absolute bipedalism. With four reversed curves in the spines. Upright head. Neck more mobile. Wisdom teeth present. Reduced eyebrow ridges. Well developed chin. Less hairy. Present all over the body.

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