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 · Charles Darwin and Alfred Wallace are the two co-discoverers of natural selection (Darwin & Wallace 1858), though, between the two, Darwin is the principal theorist of the notion whose most famous work on the topic is On the Origin of Species (Darwin 1859). For Darwin, natural selection is a drawn-out, complex process involving multiple ...
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).
Natural selection - Wikipedia
In 1859, Charles Darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. He defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved". [17]
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.
18.1B: Charles Darwin and Natural Selection - Biology LibreTexts
2024年11月23日 · Natural selection, Darwin argued, was an inevitable outcome of three principles that operated in nature. First, most characteristics of organisms are inherited, or passed from parent to offspring, although how traits were inherited was unknown. Second, more offspring are produced than are able to survive.
Darwinian natural selection: its enduring explanatory power
Their findings would have been stunning to Charles Darwin, who believed that evolutionary changes brought about by natural selection would become evident only after long periods of time. Instead, every generation of ground finches has produced evidence of changes in morphology and allele frequencies in the population of one ground finch ...
Natural Selection - National Geographic Society
2023年10月19日 · English naturalist Charles Darwin developed the idea of natural selection after a five-year voyage to study plants, animals, and fossils in South America and on islands in the Pacific. In 1859, he brought the idea of natural selection to the attention of the world in his best-selling book, On the Origin of Species .
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...