Darwinism | Definition & Facts | Britannica
2024年12月3日 · Darwinism, theory of the evolutionary mechanism propounded by Charles Darwin as an explanation of organic change. It denotes Darwin’s specific view that evolution is driven mainly by natural selection. Learn more about the principles of Darwinism in this article.
Natural selection - Wikipedia
Natural selection is a cornerstone of modern biology. The concept, published by Darwin and Alfred Russel Wallace in a joint presentation of papers in 1858, was elaborated in Darwin's influential 1859 book On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life.
Natural Selection: Definition, Darwin's Theory, Examples & Facts
2019年6月4日 · Natural selection is the mechanism that causes evolutionary change, helping organisms adapt to their environment. Charles Darwin and Alfred Wallace published simultaneous papers in the subject in 1858, and Darwin subsequently published many additional works on evolution and natural selection.
Natural Selection - Stanford Encyclopedia of Philosophy
2019年9月25日 · Darwin would have been surprised to hear that his theory of natural selection was circumscribed so as to apply only to evolving populations. He himself constructed an explanation of a persistent polymorphism, heterostyly, using his own theory.
Theory of Evolution - Education
2023年10月19日 · Darwin and a scientific contemporary of his, Alfred Russel Wallace, proposed that evolution occurs because of a phenomenon called natural selection. In the theory of natural selection, organisms produce more offspring than are able to survive in their environment.
Darwinian natural selection: its enduring explanatory power
There is no fundamental difference in the dynamics of natural and artificial selection. Darwin knew this and began his major opus with a long discussion of the domestication of animals and plants as an excellent analogy to natural selection in the wild.
Darwinism - Wikipedia
Darwinism is a term used to describe a theory of biological evolution developed by the English naturalist Charles Darwin (1809–1882) and others. The theory states that all species of organisms arise and develop through the natural selection of small, inherited variations that increase the individual's ability to compete, survive, and reproduce.
Charles Darwin’s theory of evolution by natural selection
He saw this natural selection as the mechanism by which advantageous variations were passed on to later generations and less advantageous traits gradually disappeared. He worked on his theory for more than 20 years before publishing it in his famous On the Origin of Species by Means of Natural Selection (1859).
Charles Darwin: Theory of Natural Selection | SpringerLink
2019年10月23日 · Darwin’s theory of evolution by natural selection is premised upon two prior conditions, a naturally occurring variation within species and an ongoing “struggle for life” among all organisms, in which the fittest survive and the weakest are eliminated.
Natural selection and evolution - OCR Gateway Darwin's theory …
Darwin’s theory of evolution by natural selection challenged the idea that God made all the animals and plants that live on Earth. This idea contradicted the commonly held Christian views of...