title: Introduction.
mesh_terms: D000569:Americas; D000883:Anthropology; D000884:Anthropology, Cultural; D003469:Culture; D003710:Demography; D003906:Developing Countries; D005006:Ethnicity; D005069:Evaluation Studies as Topic; D005298:Fertility; D007199:Indians, South American; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D012922:Social Change; D012942:Social Sciences; D013020:South America
keywords: Americas; Anthropology; Anthropology, Cultural; Critique; Cultural Background; Demographic Factors; Developing Countries; Ethnic Groups; Fertility; Fertility Determinants; Indians, South American; Indigenous Population; Population; Population Characteristics; Population Dynamics; Social Change; Social Sciences; South America