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  1. 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 …

  2. 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 …

  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 & Meaning - Merriam-Webster

    The meaning of EVOLUTION is descent with modification from preexisting species : cumulative inherited change in a population of organisms through time leading to the appearance of new …

  6. 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 …

  7. evolution | Learn Science at Scitable - Nature

    Evolution is a process that results in changes in the genetic material of a population over time. Evolution reflects the adaptations of organisms to their changing...

  8. Earth’s Evolution in 8 Minutes: The Complete Timeline of Our …

    22 hours ago · Earth’s evolution spans billions of years, marked by incredible transformations that shaped not only our planet but the life that inhabits it. In this quick yet comprehensive recap, …

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

    In more technical terms, biological evolution is defined as change in the gene pool of a population, measurable as changes in allele frequencies in a population over time. In the earlier reading, …

  10. 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 …

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