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  • Modeling Animal Survey Methods

    Modeling Animal Survey Methods

    Labs & Demos

    This hands-on activity accompanies the video The Great Elephant Census. Students use beans or lentils to model sample and total count methods for studying wildlife population sizes.

  • Human Feet Are Strange

    Human Feet Are Strange

    Labs & Demos

    In this activity, students examine concepts about the evolution of human bipedality explored in the short film Great Transitions: The Origin of Humans. They create their own trackway of footprints and compare it to a trackway of fossil footprints.

  • Milk: How Sweet Is It?

    Milk: How Sweet Is It?

    Labs & Demos

    In this activity, students simulate a lactose tolerance test, similar to the one shown in the short film The Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture, to determine which samples contain the lactase enzyme.

  • 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.

  • Population Genetics, Selection, and Evolution

    Population Genetics, Selection, and Evolution

    Labs & Demos

    In this activity, students use simulations with beads to explore the concepts in the short film The Making of the Fittest: Natural Selection in Humans about population genetics, the Hardy-Weinberg principle, and how natural selection alters the frequency distribution of heritable traits.

  • Factors That Affect the Mosquito Life Cycle

    Factors That Affect the Mosquito Life Cycle

    Labs & Demos

    In this lab activity, students rear mosquitoes to test variables that might affect the mosquito life cycle.

  • Variations in the Clam Species Clamys sweetus

    Variations in the Clam Species Clamys sweetus

    Labs & Demos

    This activity engages students in learning about the mechanism of natural selection using candies to represent individuals of a species of clam.

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