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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.

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  2. www.nationalgeographic.org › encyclopedia › natural-selectionNatural Selection - National Geographic Society

    Oct 19, 2023 · Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable, meaning that they are all different in some ways.

  3. www.britannica.com › science › natural-selectionNatural selection | Definition & Processes | Britannica

    Jul 5, 2024 · natural selection, process that results in the adaptation of an organism to its environment by means of selectively reproducing changes in its genotype, or genetic constitution.

  4. en.wikipedia.org › wiki › Natural_selectionNatural selection - Wikipedia

    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. biologydictionary.net › natural-selectionNatural Selection - Definition and Examples | Biology Dictionary

    Jan 15, 2021 · Natural selection is a pressure that causes groups of organisms to change over time. Animals inherit their genetics from their parents or ancestors, and the environment is constantly changing.

  6. www.sciencefacts.net › natural-selectionNatural Selection - Definition, Principles, Process, Types, &...

    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.

  7. evolution.berkeley.edu › natural-selectionNatural Selection - Understanding Evolution

    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. www.merriam-webster.com › dictionary › natural selectionNatural selection Definition & Meaning - Merriam-Webster

    May 14, 2024 · The meaning of NATURAL SELECTION is a natural process that results in the survival and reproductive success of individuals or groups best adjusted to their environment and that leads to the perpetuation of genetic qualities best suited to that particular environment.