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  • How Animals Use Sound to Communicate

    How Animals Use Sound to Communicate

    Click & Learn

    Using elephants, finches, bats, and moths, as case studies, explore different aspects of how animals use sound to communicate.

  • Effects of Natural Selection on Finch Beak Size

    Effects of Natural Selection on Finch Beak Size

    Data Point

    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.

  • Look Who's Coming for Dinner: Selection by Predation

    Look Who's Coming for Dinner: Selection by Predation

    Activity

    This activity supports the film The Origin of Species: Lizards in an Evolutionary Tree. Students are asked to formulate a hypothesis, and collect and analyze real research data to understand how quickly natural selection can act on specific traits in a population.  

  • Evolution in Action: Data Analysis

    Evolution in Action: Data Analysis

    Activity

    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.

  • Population Genetics, Selection, and Evolution

    Population Genetics, Selection, and Evolution

    Activity

    A hands-on activity that uses simulations with beads to teach students about population genetics, the Hardy-Weinberg principle, and how natural selection alters the frequency distribution of heritable traits. Also available in Spanish.

  • Allele and Phenotype Frequencies in Rock Pocket Mouse Populations

    Allele and Phenotype Frequencies in Rock Pocket Mouse Populations

    Activity

    A lesson that uses real rock pocket mouse data collected by Dr. Michael Nachman and his colleagues to illustrate the Hardy-Weinberg principle.