https://www.khanacademy.org/science/hs-bio/x230b3ff252126bb6:mechanisms-of-evolution-hs/x230b3ff252126bb6:natural-selection-and-adaptation/v/natural-selection-and-adaptation 2022-09-24T04:45:13.131282509Z Natural selection and adaptation Natural selection leads to adaptation, that is, to a population dominated by organisms that are anatomically, behaviorally, and physiologically well suited to survive and reproduce in a specific environment. That is, the differential survival and reproduction of organisms in a population that have an advantageous heritable trait leads to an increase in the proportion of individuals in future generations that have the trait and to a decrease in the proportion of individuals that do not. Khan Academy video https://cdn.kastatic.org/ka_thumbnails_cache/9da3549e-692d-413f-876e-4ea63c7c0a12_1280_720_base.png Natural selection and adaptation Natural selection leads to adaptation, that is, to a population dominated by organisms that are anatomically, behaviorally, and physiologically well suited to survive and reproduce in a specific environment. That is, the differential survival and reproduction of organisms in a population that have an advantageous heritable trait leads to an increase in the proportion of individuals in future generations that have the trait and to a decrease in the proportion of individuals that do not. https://cdn.kastatic.org/ka-youtube-converted/giw2ELZr-bE.mp4/giw2ELZr-bE.mp4 532 Adaptations as Outcomes of Structural Change https://www.khanacademy.org/science/hs-bio/x230b3ff252126bb6:mechanisms-of-evolution-hs/x230b3ff252126bb6:natural-selection-and-adaptation/a/phet-simulation-exploring-natural-selection 2025-04-01T18:49:52.583009735Z PhET simulation: Exploring natural selection Follow the link to dive deeper into natural selection using an interactive PhET simulation! article https://www.khanacademy.org/science/hs-bio/x230b3ff252126bb6:mechanisms-of-evolution-hs/x230b3ff252126bb6:natural-selection-and-adaptation/e/understand-natural-selection-and-adaptation 2026-04-27T08:10:46.028809868Z Understand: Natural selection and adaptation Check your understanding of natural selection and adaptation in this set of free, standards-aligned practice questions. exercise