darwinian theory


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to darwinian theory: Darwinian evolution

dar·win·i·an the·o·ry

the 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.

darwinian theory

Etymology: Charles R. Darwin
the theory of Charles Darwin that organic evolution results from the natural selection of those variants of organisms that are best suited to survive in their environment. Also called darwinism. Compare lamarckism. darwinian, adj.

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 evolution

Darwin,

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
References in periodicals archive ?
The difficult problem this poses for Darwinian theory is how to mesh the multifarious proximate efficient causes that constitute a process of NS with the 'evolutionary cause', the Darwinian selection dynamic.
5) No one who looks very far into the Linville/Kelly text will fail to recognize its foundation in Darwinian theory.
Well-meaning persons have struggled sincerely to disentangle evolutionary science from the ideological commitments of its most vociferous and belligerent proponents, but in the case of the Darwinian theory of human nature, it is ideology all the way down.
Most of the book is a traditional history of ideas: the development of Darwinian theory from pre-Darwinian evolutionary and non-evolutionary theory to Darwin's formulation of the mechanisms of natural and sexual selection, reactions to his theories, problems with the original formulation (especially the absence of a fossil record and ignorance of the mechanisms of inheritance), then the development of the neo-Darwinian synthesis in the 1930s, which solved the major problems in the original theories.
11): As I understand Darwinian theory, it basically says that a random change in an organism, if it confers a survival advantage, will tend to be passed on to that individual's offspring, thus gradually increasing the population of that organism with that trait.
Tina Gianquitto's essay on the way that New Jersey naturalist Mary Treat combined her devotion to Darwinian theory with her domestic ideology to produce a distinctive strain of homebound biological science shows just how many of the ecocritical problems that appear insoluble in theory are worked out in practices discoverable in the historical archive.
Darwinian Theory advocated for the survival of fittest for existence when the paradigm shift has necessitated for survival of fastest.
2) Medical science, however, has recognised the significance of Darwinian theory only recently.
Stein uncovers what he says is an elitist scientific establishment that actively suppresses any research that may lead to questioning of the accepted Darwinian theory (LifeSiteNews.
Certainly food for thought--and worthy of inclusion in any collection strong in Darwinian theory pro or con.
In providing a series of contrasting chapters juxtaposing scientific history and investigation with Christian faith, readers receive a clear set of insights into the major differences between Darwinian theory and Christianity's contentions--invaluable for classroom discussion.