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  • Developing an Explanation for Mouse Fur Color

    Developing an Explanation for Mouse Fur Color

    Lessons

    In this activity, students collect and analyze evidence for each of the major conditions for evolution by natural selection to develop an explanation for how populations change over time.

  • Patterns in the Distribution of Lactase Persistence

    Patterns in the Distribution of Lactase Persistence

    Card Activities

    Students explore the geographic distribution of lactase persistence around the world by analyzing real data collected by scientists.

  • Teacher Guide: Evolution

    Teacher Guide: Evolution

    Resource Guides

    Topics include: natural selection, artificial selection, population genetics, human adaptations and evolution, and phylogenetics.

  • 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.

  • Natural Selection of Lactose Tolerance

    Natural Selection of Lactose Tolerance

    Animations

    (46 sec) Environmental and cultural factors can affect whether a new human mutation becomes common in a population.