https://www.khanacademy.org/science/hs-bio/x230b3ff252126bb6:mechanisms-of-evolution-hs/x230b3ff252126bb6:natural-selection-and-adaptation/v/adaptation-and-environmental-change 2024-06-28T21:00:15.59562973Z Adaptation and environmental change Adaptations in organisms respond to environmental changes through natural selection, which promotes traits enhancing survival and reproduction. There are three selection types: directional, disruptive, and stabilizing. Explore case studies of snow voles and dung beetles to learn how species evolve in response to new environmental conditions. Khan Academy video https://cdn.kastatic.org/ka_thumbnails_cache/941a2f95-deda-4929-8b72-a8fde4314948_1280_720_base.png Adaptation and environmental change Adaptations in organisms respond to environmental changes through natural selection, which promotes traits enhancing survival and reproduction. There are three selection types: directional, disruptive, and stabilizing. Explore case studies of snow voles and dung beetles to learn how species evolve in response to new environmental conditions. https://cdn.kastatic.org/ka-youtube-converted/XkhD_Rphlm0.mp4/XkhD_Rphlm0.mp4 558 Adaptation 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 https://www.khanacademy.org/science/ap-biology/natural-selection/population-genetics/a/natural-selection-in-populations 2026-04-30T05:50:52.043044628Z Learn: Natural selection in populations Learn about how natural selection works at the level of genes, alleles, genotypes, and phenotypes. article 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