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  • Great Transitions Interactive: Human Origins

    Great Transitions Interactive: Human Origins

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    Examine fossil skeletons and footprints of early humans and compare them to skeletons of modern humans and chimpanzees to discover how different traits have evolved over time.

  • 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.