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  1. Charles Darwin was a British naturalist who proposed the theory of biological evolution by natural selection. Darwin defined evolution as "descent with modification," the idea that species change over time, give rise to new species, and share a common ancestor. The mechanism that Darwin proposed for evolution is natural selection.

  2. Oct 19, 2023 · 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. Those that are better physically equipped to survive, grow to maturity, and ...

  3. 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). The book was immediately in great demand, and Darwin’s intensely controversial theory was accepted quickly in most scientific circles; most opposition came from religious leaders.

  4. Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations. Charles Darwin popularised the term "natural selection", contrasting it with artificial selection, which is ...

  5. Aug 15, 2023 · Definition: Natural Selection. The process by which living organisms adapt and change in nature. Natural selection results from differential survival and reproduction of individuals due to differences in heritable traits. It is a key mechanism of evolution and is the only process that results in the formation of adaptive traits and behaviors.

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  7. Finally he felt able to propose his theory of evolution by natural selection. Darwin published his scientific work and ideas 28 years after his voyage. Darwin proposed that:

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