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Modern humans (Homo sapiens) differ from early hominins in several key anatomical features that reflect both evolutionary adaptations and functional specializations. One of the most significant differences is cranial capacity. Early hominins, such as *Australopithecus afarensis*, had a brain volume of about 400–500 cubic centimeters, whereas modern humans have an average cranial capacity of approximately 1,300–1,500 ________ __________ ____ ______ _____ __________ ___ ________ _____.
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