differentiation perforce implied separation.
Robinson describes the earliest human species as «MDUL»Australopithecus africanus«MDNM», a 3 million-year-old specimen discovered by Raymond Dart in 1924 that had anatomical, environmental, and behavioral similarities to modern man but that preceded the morphology and behavior of the genus «MDUL»Homo«MDNM». «MDUL»Australopithecus africanus«MDNM»«MDNM», as well as other species attached to the genus «MDUL»Australopithecus«MDNM», emerged in the Early Quarternary, and «MDUL»Australopithecus«MDNM» appears to have been both distinct from and previous to «MDUL»Homo«MDNM» (Robinson, 1981, passim; Day, 1981, p. 1045). Yet the former's apparently rational predatory behavior served as the basis for Dart's theory that a
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