title: Human evolution: many small steps, but not punctuated equilibria.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D001938:Brazil; D003466:Cultural Characteristics; D014644:Genetic Variation; D005828:Genetics, Population; D000882:Haplorhini / Q000235:genetics; D006801:Humans; D007199:Indians, South American; D009154:Mutation; D010163:Paleontology; D014687:Venezuela