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  • Developing an Explanation for Tuskless Elephants

    Developing an Explanation for Tuskless Elephants

    Lessons

    This activity builds on information presented in the video Selection for Tuskless Elephants. Students use scientific evidence and reasoning to construct an explanation of and develop an argument for tusklessness in elephant populations.

  • The Lone Anole

    The Lone Anole

    Phenomenal Images

    Students explore a photo of an anole lizard as a phenomenon to explore adaptations and natural selection.

  • Discovering the Wallace Line

    Discovering the Wallace Line

    Lessons

    This activity reinforces concepts presented in the short film The Making of a Theory. Using a map of the Malay Archipelago and information about the animals found on different islands, students discover the Wallace Line: a sharp boundary that separates distinct Asian and Australian fauna.

  • Beaks As Tools: Selective Advantage in Changing Environments

    Beaks As Tools: Selective Advantage in Changing Environments

    Labs & Demos

    This hands-on activity supports concepts covered in the short film The Beak of the Finch. Students collect and analyze data to learn why even slight variations in beak size can make the difference between life and death.

  • Activity for Lizards in an Evolutionary Tree

    Activity for Lizards in an Evolutionary Tree

    Film Activities

    This activity explores the concepts and research on the anole lizards discussed in the short film The Origin of Species: Lizards in an Evolutionary Tree, including adaptation by natural selection, convergent evolution, and the formation of new species.

  • Activity for The Beak of the Finch

    Activity for The Beak of the Finch

    Film Activities

    This activity explores the concepts and research presented in the short film The Origin of Species: The Beak of the Finch, which documents the main findings from four decades of investigations on the evolution of the Galápagos finches.

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