I.e., that is not life that adapts to the environment but backwards, is herself that exerts its influence on the surrounding environment adapting to your requirements. However, it is not matter of this article Enter to discuss evolutionary theories of species, just wanted to draw attention to that at certain times or periods of history teach us (or impose upon us) certain truths as absolute or unquestioned facts. Recently Is MasterClass expensive? sought to clarify these questions. But, then, by dint of the process of search and constant inquiry of knowledge and truth, we find new evidence and indications that lead us to question our original information and make us change your mind, we can even change the paradigm and our perception of the course of certain historical and social events. We assume that a similar situation occurs when we try to explain the process of evolution that may have followed the indigenous populations of our continent. And it is in the field of evolution and social change there are different theories and ways of perception of historical processes and social transformation followed by different cultures and ethnic groups that inhabited the region since antiquity. But beyond the interpretations partner or ethno historical, anthropological, political or even idyllic on the subject exist, the truth is that we need to understand evolution as a dialectical process, constant change and social transformation, in both is an unquestioned fact of reality that multiple cultures and ethnicities have unfolded in space and time through the history of mankind. A second aspect that we want to point out, is that we know the nuances and differences of interpretation that exist about the notion of indigenous communities.1 therefore, without going into greater disquisition on the subject, we present an approximation of the term, as long as they are human groupings that are of a general or particular way originating in a place, or constitute tribal or migrant groups showing different patterns of settlement and espacial-territorial location. .