the earth and its peoples ch1 vocab
Chapter 1 Vocab. Words Joseph Alexander?Sun May 12 01:14:58 CDT 2013 Natural Selection The biological process by which variations that enhance a population's ability to survive in a particular environment become dominant in a species over a very long periods and lead the the evolution of a new species? Evolution The biological theory that, over time, changes occurring in plants and animals, mainly as a result of natural selection and genetic mutation, result in new species. Australopithecine The several extinct species of human like primates that existed during the Pleistocene Era (Genus Australopithecus). Hominid The biological family that includes humans and human like primates. Bipedalism The ability to walk upright on two legs, characteristic of hominids Great Ice Age