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  • Comparative Anatomy of the Domestic Chicken

    Comparative Anatomy of the Domestic Chicken

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    Trace the evolutionary history of birds by comparing the shapes and structures of certain bones in a chicken to those of some of its extinct and living relatives. Also available in Spanish.

  • Explore Your Inner Animals

    Explore Your Inner Animals

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    This interactive explores different anatomical features of the human body and what they reveal about the evolutionary history we share with other organisms, including earlier, long-extinct species.

  • Skeletons Reveal Human and Chimpanzee Evolution

    Skeletons Reveal Human and Chimpanzee Evolution

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    Comparing features of a 4.4-million-year-old fossil skeleton to those of human and chimpanzee skeletons sheds light on our evolutionary history.