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A youtube video that describes in under 4 minutes both allopatric and sympatric speciation.
This site contains 19 video lessons, each containing skill checks, videos, and articles. . Topics include Respiration, Photosynthesis, Evolution and natural selection, cell division, Heredity and genetics, etc.
Online simulation of natural selection. Different numbers of predator and prey can be chosen, as well as different environmental conditions. All University of Colorado PhET simulations have associated Teaching Resources, associated Learning Outcomes, and translations into many languages.
Natural selection is the cornerstone of Darwin's theory of evolution; adaptations are the traits that allow organisms to survive the selection process. This set of resources includes books, articles, and Web links that explore various aspects of these pivotal interrelated concepts.
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