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Evolution | Definition, History, Types, & Examples | Britannica
Evolution - Wikipedia
An introduction to evolution - Understanding Evolution
Human evolution | History, Stages, Timeline, Tree, Chart, & Facts
Understanding Evolution – Your one-stop source for information on evolution
Evolution - Natural Selection, Adaptation, Genetics | Britannica
Evolution | Learn Science at Scitable - Nature
Introduction to evolution - Wikipedia
Evolution (article) | Khan Academy
evolution | Learn Science at Scitable - Nature