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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

    3 days ago · evolution, theory in biology postulating that the various types of plants, animals, and other living things on Earth have their origin in other preexisting types and that the …

  3. 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 …

  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. What is the Theory of Evolution? Explained with Examples and …

    Apr 13, 2025 · But evolution is more than just biology’s guiding principle; it’s a story about time, change, and survival. Although the idea that life evolves wasn’t entirely new in the 19th …

  6. 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 …

  7. What is evolution? | Definition of evolution - YourGenome

    In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection. The theory of evolution is based on the idea that all …

  8. Evolution 101

    How does evolution lead to the tree of life? How does evolution work? How does evolution work on a small scale? What are species anyway, and how do new ones evolve? How does …

  9. 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.

  10. Introduction to evolution - Wikipedia

    Evolution is the principal scientific theory that biologists use to understand life and is used in many disciplines, including medicine, psychology, conservation biology, anthropology, forensics, …