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  • Mate Choice in Spiders

    Mate Choice in Spiders

    Data Points

    Scientists investigated how males choose their mates in a species of sexually cannibalistic spiders.

  • Analyzing Data on Tuskless Elephants

    Analyzing Data on Tuskless Elephants

    Activities

    In this activity, students analyze data to investigate tusklessness in elephant populations.

  • Human Skin Color: Evidence for Selection

    Human Skin Color: Evidence for Selection

    Activities

    This case study is based on the short film The Biology of Skin Color. Students use real data to propose hypotheses, make predictions, and justify claims with evidence. Also available in Spanish.

  • Natural Selection and the Evolution of Darwin's Finches

    Natural Selection and the Evolution of Darwin's Finches

    Activities

    In this activity, students develop arguments for the adaptation and natural selection of Darwin’s finches. Students use two key NGSS science and engineering practices: engaging in argument from evidence using mathematical and computational thinking, and analyzing and interpreting data.

  • Effects of Natural Selection on Finch Beak Size

    Effects of Natural Selection on Finch Beak Size

    Data Points

    Rosemary and Peter Grant studied the change in beak depths of finches on the island of Daphne Major in the Galápagos Islands after a drought.

  • Evolution in Action: Data Analysis

    Evolution in Action: Data Analysis

    Activities

    These two activities support the film The Origin of Species: The Beak of the Finch. They provide students with the opportunity to analyze data collected by Princeton University evolutionary biologists Peter and Rosemary Grant.