【摘要】 用工具制造工具是人的工具行为和猿的工具行为之间的界河 ,据此将人猿超科的工具行为分成简单和复杂二种类型。粗壮南猿以前的人科成员具有简单工具行为的能力。在人类进行的早期 ,猕猴超科动物成功地占据了热带森林树栖的生态位 ,人类始祖从树栖转变为地栖 ,他们借助于工具行为开辟新的食物来源。早期人科的工具行为成为推动人科向直立行走方向发展的因素之一更多还原

【Abstract】 The boundary between human and ape tool behaviors is that human made tools with tool.Therefore,tool behaviors of Hominoidea can be divided into two type:the simple type and complex type.The early hominid,which antedate the appearence of Australopithecus robustus in the archaeological record,engaged in simple tool behavior.When first stage of human evolution,Cercopithecoidea succeed arboreal niches.the founding member of human family have changed living dweller from tree to ground.They exploited new food resources by used tool.The tool behavior of early hominid have formed the motive force of the hominid evolution toward bepidal.更多还原