What the nature of language is, who the owner of questions any language language is and how it has evolved are the three core evolution theory should answer. In the Merge Theory proposed by Chomsky, the simplest recursive operation "merge" is applied to explain the nature of rates the Merge Theory, the challenges evolution from the complicated linguisti language and its evolution process. This paper elaborates the Merge Theory the challenges to it, and Chomsky's refutations. By stripping away the problem of language c phenomena, the Merge Th...