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  • Thermoregulation in Dinosaurs

    Thermoregulation in Dinosaurs

    Data Points

    Grady and colleagues compared dinosaur fossil evidence with evidence from living animal species to shed more light on the type of thermoregulation that dinosaurs used—ectothermy, endothermy, or mesothermy.

  • Film Guides: The Origin of Species: The Making of a Theory

    Film Guides: The Origin of Species: The Making of a Theory

    Film Guides

    The following classroom-ready resources complement The Origin of Species: The Making of a Theory, which tells the story of the epic adventures of Charles Darwin and Alfred Russel Wallace and of the evidence they gathered for the theory of evolution by means of natural selection

  • The Origin of Species: The Making of a Theory

    The Origin of Species: The Making of a Theory

    Short Films

    (30 min 51 sec) The epic voyages of Darwin and Wallace led each to independently discover the natural origin of species and to formulate the theory of evolution by natural selection. Also available in Spanish.