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  • Developing an Explanation for Tuskless Elephants

    Developing an Explanation for Tuskless Elephants

    Lessons

    In this activity, students use scientific evidence and reasoning to construct an explanation of and develop an argument for tusklessness in elephant populations.

  • Slug Power

    Slug Power

    Phenomenal Images

    Students explore photos of a sea slug and chloroplasts as phenomena to explore photosynthesis concepts.

  • 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 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. 

  • Beaks As Tools: Selective Advantage in Changing Environments

    Beaks As Tools: Selective Advantage in Changing Environments

    Labs & Demos

    This classroom experiment supports the film The Origin of Species: 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.

  • Using DNA to Explore Lizard Phylogeny

    Using DNA to Explore Lizard Phylogeny

    Card Activities

    This activity supports the film The Origin of Species: Lizards in an Evolutionary Tree. Students are guided to sort the lizard species by appearance, then generate a phylogenetic tree using the lizards’ DNA sequences to evaluate whether species that appear similar are closely related to each other.

  • Biodiversity and Evolutionary Trees

    Biodiversity and Evolutionary Trees

    Card Activities

    Construct evolutionary trees by sorting seashells. To accompany the lecture series Exploring Biodiversity: The Search for New Medicines and the Sorting Seashells Click and Learn interactive.

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