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  1. Natural selection | AP®︎/College Biology - Khan Academy

    Discover how evolution remains an ongoing process, with natural selection and genetic variation driving adaptation. Compare evidence across scales to see how unity and diversity arise from …

  2. Introduction to evolution and natural selection - Khan Academy

    Natural selection is a mechanism of evolution and explains how species adapt to their environment over time through variations in traits. Examples include the peppered moth …

  3. Khan Academy | Khan Academy

    Explore the basics of evolution and natural selection, understanding how species adapt over time through variations in traits.

  4. Natural selection and evolution (video) | Khan Academy

    And that's where natural selection comes into the picture. So let's imagine a population, and I'm gonna think about a very abstract population of these little circle-shaped things.

  5. Evolution and the tree of life | Biology archive - Khan Academy

    Unit 18: Evolution and the tree of life About this unit This unit is part of the Biology archive. Browse videos and articles by topic. For our most up-to-date, mastery-enabled courses, check …

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

    In this article, we'll take a closer look at Darwin's ideas. We'll trace how they emerged from his worldwide travels on the ship HMS Beagle, and we'll also walk through an example of how …

  7. Evolution & natural selection (video) | Khan Academy

    Variations, or differences in traits within a population, are important for the process of evolution because they provide the raw material for natural selection to act upon.

  8. Biodiversity and natural selection (video) | Khan Academy

    The patterns and processes of evolution play a crucial role in biodiversity. Natural selection, adaptation, and inheritance serve as key mechanisms driving diversity.

  9. Evolution and natural selection review (article) | Khan Academy

    Darwin's theory was based on the mechanism of natural selection, which explains how populations can evolve in such a way that they become better suited to their environments …

  10. Introduction to evolution and natural selection (video) | Khan …

    Natural selection is a mechanism of evolution and explains how species adapt to their environment over time through variations in traits. Examples include the peppered moth …