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  • Living Dinosaurs: Fact or Fiction?

    Living Dinosaurs: Fact or Fiction?

    Activity

    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.

  • Weighing the Evidence for a Mass Extinction—On Land

    Weighing the Evidence for a Mass Extinction—On Land

    Activity

    A lesson in which students analyze graphs and data on pollen grains and fern spores to form a picture of the living landscape before and after the K-T mass extinction.

  • Weighing the Evidence for a Mass Extinction—In the Ocean

    Weighing the Evidence for a Mass Extinction—In the Ocean

    Activity

    A hands-on activity in which students see first-hand the difference in foraminifera fossils below and above the K-T boundary. Also available in Spanish.