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Comparative Anatomy as Evidence for Evolution
http://evolutionatccms.weebly.com/homologous-structures.htmlScientists use comparative anatomy of homologous structures to provide evidence for evolution. For example, the arm of a human, the front leg of a cat, the front flipper of a whale, and the wing of a bat do not look alike and are not used in the same way. But under the surface, they ARE similar. [...]