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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.

  • Comparative Anatomy of the Domestic Chicken

    Comparative Anatomy of the Domestic Chicken

    Click & Learn

    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.

  • How Did Dinosaurs Regulate Their Body Temperature?

    How Did Dinosaurs Regulate Their Body Temperature?

    Activities

    This activity uses data from a 2014 scientific paper to explore thermoregulation in living and extinct animals, including dinosaurs. 

  • Living Dinosaurs: Fact or Fiction?

    Living Dinosaurs: Fact or Fiction?

    Activities

    Students evaluate and discuss statements about the evolutionary relationship between birds and dinosaurs and other facts about these groups, before and after watching the short film Great Transitions: The Origin of Birds. Also available in Spanish.

  • The Origin of Birds Film Guide

    The Origin of Birds Film Guide

    Film Guides

    The following classroom-ready resources complement Great Transitions: The Origin of Birds. Featuring vertebrate paleontologist Dr. Julia Clarke, the film walks us through the evidence that birds are a lineage of theropod dinosaurs. 

  • Reading Primary Sources: Darwin and Wallace

    Reading Primary Sources: Darwin and Wallace

    Activities

    This activity serves as a supplement to the HHMI short film The Origin of Species: The Making of a Theory. Students read and analyze excerpts from texts written by Charles Darwin and Alfred Russel Wallace and answer questions about the information presented, developing their nonfiction reading comprehension.

  • Fact Patterns: A Film Guide

    Fact Patterns: A Film Guide

    Activities

    Students are challenged to identify “fact patterns,” or patterns that emerge from a collection of different facts and observations, and draw conclusions about what they suggest. Also available in Spanish.

  • Discovering the Wallace Line

    Discovering the Wallace Line

    Activities

    This activity supports the HHMI short film The Origin of Species: The Making of a Theory. Students are presented with a map of the Malay Archipelago and some field notebooks with observations of animals. By plotting which animals are found on which island, the students discover the Wallace Line—a sharp boundary that separates distinct Asian and Australian fauna. 

  • The Making of a Theory—Fact or Fiction

    The Making of a Theory—Fact or Fiction

    Activities

    This activity supports the viewing of the film The Origin of Species: The Making of a Theory. Before and after watching the film, students discuss and evaluate several statements about Charles Darwin, Alfred Russel Wallace, and the specific evidence that led each of them to the theory of evolution by natural selection.

  • 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.

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