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  1. Evolution - Wikipedia

    The scientific theory of evolution by natural selection was conceived independently by two British naturalists, Charles Darwin and Alfred Russel Wallace, in the mid-19th century as an …

  2. Evolution | Definition, History, Types, & Examples | Britannica

    Dec 26, 2025 · Evolution, theory in biology postulating that the various types of living things on Earth have their origin in other preexisting types and that the distinguishable differences are …

  3. Theory of Evolution - Education

    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 …

  4. An introduction to evolution

    Evolution helps us to understand the living world around us, as well as its history. Biological evolution is not simply a matter of change over time.

  5. Scientists Say Evolution Works Differently Than We Thought

    Dec 25, 2025 · Scientists say evolution works differently than we thought Date: December 25, 2025 Source: University of Michigan Summary: A major evolutionary theory says most genetic …

  6. What is evolution? | Biological Principles - gatech.edu

    Because the definition of evolution is change in the heritable characteristics of a population over generations, evolution can occur by means other than natural selection.

  7. Evolution - National Human Genome Research Institute

    2 days ago · Evolution, as related to genomics, refers to the process by which living organisms change over time through changes in the genome. Such evolutionary changes result from …