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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 explanation for …

  2. Understanding Evolution – Your one-stop source for information on evolution

    Nov 29, 2025 · An introduction to evolution: what is evolution and how does it work? Is this iguana an invader? Evolution has answers. The vine twining on the fence, the insect crawling over the …

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

    Dec 2, 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 due to modifications …

  4. How Evolution Works - HowStuffWorks

    The theory of evolution proposes that life and humans arose through a natural process. A very large number of people do not believe this, which is something that keeps evolution in the news. ­In this …

  5. Evolution - National Human Genome Research Institute

    3 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 mutations that …

  6. EVOLUTION Definition & Meaning - Merriam-Webster

    Evolution is a process of continuous branching and diversification from common trunks. This pattern of irreversible separation gives life's history its basic directionality.

  7. Theory of Evolution - National Geographic Society

    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 …

  8. Darwin, evolution, & natural selection (article) | Khan Academy

    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 …

  9. 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.

  10. Human evolution - Wikipedia

    Evolution of Modern Humans: A Survey of the Biological and Cultural Evolution of Archaic and Modern Homo sapiens (Tutorial). San Marcos, California: Palomar College.