Australopithecus and Homo erectus are mainly differentiated based on posture, height, locomotive, and appearance
These differences are listed below-
Australopithecus:
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It first appeared in the Republic of South Africa and had human and ape features.
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He was about 1.05 meters high and was mainly a terrestrial creature with bipedal locomotion.
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His cranial capacity was 500 cubic centimeters
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Australopithecus incorporates a smaller brain as compared to Homo.
Homo erectus:
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Homo erectus evolved from Homo habilisor Australopithecus about 1.7 million years ago and their fossils are obtained from Java, Peking and Heidelberg, and Europe.
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He was about 5.5 feet tall with a bowl-shaped pelvis. The foot of Homo was arched to support the weight, and therefore the grasping ability of the foot was completely lost.
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The size of the cavity ranged from 750 to 1100 CC
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Homo erectus has lighter jaws and smaller teeth as compared to Australopithecus which has heavier jaws and larger teeth.