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

    Jun 6, 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 …

  2. Evolution - Wikipedia

    Evolution is the change in the heritable characteristics of biological populations over successive generations. [1] [2] It occurs when evolutionary processes such as natural selection and …

  3. An introduction to evolution - Understanding Evolution

    Evolution 101. An introduction to evolution: what is evolution and how does it work? The history of life: looking at the patterns – Change over time and shared ancestors; Mechanisms: the …

  4. Theory of Evolution - National Geographic Society

    Oct 19, 2023 · The theory of evolution is a shortened form of the term “theory of evolution by natural selection,” which was proposed by Charles Darwin and Alfred Russel Wallace in the …

  5. Evolution – Definition, Types, Advantages, Examples

    Nov 13, 2024 · Evolution is the process by which species change over time through the gradual accumulation of genetic variations, driven by mechanisms like natural selection, genetic drift, …

  6. Evolution | Learn Science at Scitable - Nature

    Evolution is a process that results in changes in the genetic content of a population over time. There are two general classes of evolutionary change: microevolution and macroevolution.

  7. Evolution | Oxford Academic

    We investigate the relationship between phenotypic and genetic differentiation across the ... Evolutionary stasis characterizes lineages that seldom speciate and show little phenotypic …

  8. Evolution: Facts about the processes that shape the diversity of …

    Aug 23, 2024 · Discover interesting facts about how evolution works, the different patterns that can emerge from evolution, how quickly organisms can evolve, and whether evolution is a …

  9. An Introduction to Evolution - ThoughtCo

    Dec 19, 2017 · Evolution refers to a variety of changes that occur over time—the uplifting of mountains, the erosion of riverbeds, or the creation of new species.

  10. Home | Evolution Resources | National Academies

    They include the structure and content of curricula, the processes of teaching and learning about evolution, the tensions that can arise in the classroom, and the target audiences for evolution …

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