Origin of evolution
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Example sentences from the Web for evolution
The moment where they enter the spirit portal symbolizes their evolution from being friends to being a couple.Yep, Korra and Asami Went in the Spirit Portal and Probably Kissed |Melissa Leon |December 25, 2014 |DAILY BEAST
The traditional wisdom is “action is character,” and their evolution is one, with a slight edge to character.Alfred Hitchcock’s Fade to Black: The Great Director’s Final Days |David Freeman |December 13, 2014 |DAILY BEAST
The evolution of style is oft studied but rarely understood in any comprehensive manner.
Darwin was a British Scientist who developed the theory of evolution and natural selection.‘Gods of Suburbia’: Dina Goldstein’s Arresting Photo Series on Religion vs. Consumerism |Dina Goldstein |November 8, 2014 |DAILY BEAST
“Reality TV has had an evolution,” Valerie says, addressing the camera proudly.How Lisa Kudrow Pulled Off TV’s Ultimate ‘Comeback’ |Kevin Fallon |November 6, 2014 |DAILY BEAST
Religious thought, like all else, is subject to a law of evolution, and therefore passes through regular stages.Evolution |Joseph Le Conte
But more important to the historian of literature even than the development of qualities is the evolution of types.
This sonata marks the consummation of his evolution toward the acme of powerful expression.Edward MacDowell |Lawrence Gilman
The social evolution means the evolution of a strong social tissue; the best type is the type implied by the strongest tissue.
This uncertainty seems to indicate a certain superficiality in the ordinary empirical way of looking at evolution.On the Ethics of Naturalism |William Ritchie Sorley
British Dictionary definitions for evolution
Derived forms of evolutionevolutionary or evolutional, adjective
Word Origin for evolution
Medical definitions for evolution
Scientific definitions for evolution
A Closer Look
Darwin's theory of evolution by natural selection assumed that tiny adaptations occur in organisms constantly over millions of years. Gradually, a new species develops that is distinct from its ancestors. In the 1970s, however, biologists Niles Eldredge and Stephen Jay Gould proposed that evolution by natural selection may not have been such a smooth and consistent process. Based on fossils from around the world that showed the abrupt appearance of new species, Eldredge and Gould suggested that evolution is better described through punctuated equilibrium. That is, for long periods of time species remain virtually unchanged, not even gradually adapting. They are in equilibrium, in balance with the environment. But when confronted with environmental challenges-sudden climate change, for example-organisms adapt quite quickly, perhaps in only a few thousand years. These active periods are punctuations, after which a new equilibrium exists and species remain stable until the next punctuation.
Cultural definitions for evolution
A theory first proposed in the nineteenth century by Charles Darwin, according to which the Earth's species have changed and diversified through time under the influence of natural selection. Life on Earth is thought to have evolved in three stages. First came chemical evolution, in which organic molecules (see also organic molecule) were formed. This was followed by the development of single cells capable of reproducing themselves. This stage led to the development of complex organisms capable of sexual reproduction. Evolution is generally accepted as fact by scientists today, although debates continue over the precise mechanisms involved in the process. (See mutation, punctuated equilibrium, and creation science.)