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  1. Dictionary
    natural selection
    /ˌnatʃ(ə)rəl sɪˈlɛkʃn/

    noun

    • 1. the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin, and it is now regarded as be the main process that brings about evolution.
  2. Oct 19, 2023 · Learn how natural selection is the process of adaptation and evolution through which species change over time. Find out how Darwin developed the idea of natural selection and how it differs from artificial selection.

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  3. Jul 5, 2024 · Natural selection is the process that results in the adaptation of an organism to its environment by means of selectively reproducing changes in its genotype. Learn how natural selection works, how it differs from sexual selection, and how it relates to evolution and adaptation with examples from biology and ecology.

  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.

  5. Jan 15, 2021 · Natural selection is a pressure that causes groups of organisms to change over time due to genetic variability and environmental factors. Learn about different types of natural selection, such as stabilizing, directional, diversifying, and sexual selection, with examples and diagrams.

  6. Nov 10, 2023 · Natural selection is the adaptation strategy of living organisms on Earth. It occurs when they acquire and evolve a trait with time that provides them a distinct advantage for their survival and reproduction over other organisms in the population. Learn its theory, conditions, types, and examples with a diagram.

  7. Natural selection is one of the basic mechanisms of evolution, along with mutation, migration, and genetic drift. Darwin’s grand idea of evolution by natural selection is relatively simple but often misunderstood. To see how it works, imagine a population of beetles: There is variation in traits.

  8. May 14, 2024 · Learn the meaning of natural selection, a natural process that leads to the survival and reproductive success of the best adapted individuals or groups. See how the word is used in sentences and explore its history and related terms.