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Darwinian theory TranslationsEncyclopediaSeeDarwinismdarwinian theory
dar·win·i·an the·o·rythe theory of the origin of species and of the development of higher organisms from lower forms through natural selection (survival of the fittest in the struggle for existence), and of the evolution of humans and apes from a common ancestor. See also: darwinian evolution. dar·win·i·an the·o·ry (dahr-winē-ăn thēŏr-ē) Theory of the origin of species and of the development of higher organisms from lower forms through natural selection (survival of the fittest in the struggle for existence), and of the evolution of humans and apes from a common ancestor. See also: darwinian evolutionDarwin, Charles R., English biologist and evolutionist, 1809-1882. darwinian ear - an auricle in which the upper border is not rolled over to form the helix, but projects upward as a flat, sharp edge.darwinian reflex - the tendency of young infants to grasp a bar and hang suspended.darwinian theory - the theory of the origin of species and of the development of higher organisms from lower forms through natural selection.darwinian tubercle - a small projection from the upper end of the posterior portion of the incurved free margin of the helix. Synonym(s): auricular tubercle |