https://www.khanacademy.org/science/hs-bio/x230b3ff252126bb6:mechanisms-of-evolution-hs/x230b3ff252126bb6:speciation-and-other-patterns-of-evolution/v/species-and-the-environment 2024-06-28T21:00:15.59562973Z Species and the environment Changes in the physical environment, whether naturally occurring or human induced, have contributed to the expansion of some species, the emergence of new distinct species as populations diverge under different conditions, and the decline—and sometimes the extinction—of some species. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/11442772-4144-436b-a87c-467c0438a481_1280_720_base.png Species and the environment Changes in the physical environment, whether naturally occurring or human induced, have contributed to the expansion of some species, the emergence of new distinct species as populations diverge under different conditions, and the decline—and sometimes the extinction—of some species. https://cdn.kastatic.org/ka-youtube-converted/YdZqK60bxjs.mp4/YdZqK60bxjs.mp4 263 Speciation https://www.khanacademy.org/science/hs-bio/x230b3ff252126bb6:mechanisms-of-evolution-hs/x230b3ff252126bb6:speciation-and-other-patterns-of-evolution/e/understand-species-and-the-environment 2026-04-27T08:10:46.028809868Z Understand: Species and the environment Check your understanding of species and the environment in this set of free, standards-aligned practice questions. exercise https://www.khanacademy.org/science/ap-biology/natural-selection/speciation/a/species-speciation 2026-04-30T06:00:39.636426352Z Learn: Species & speciation Learn about different definitions of a species and how new species can arise from existing species. article