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  • Testosterone Levels in Elite Athletes

    Testosterone Levels in Elite Athletes

    Data Points

    Scientists compared the testosterone levels of Olympic-level elite athletes.

  • White-Nose Syndrome

    White-Nose Syndrome

    Phenomenal Images

    Students explore images of bats with an infectious fungal disease as phenomena to learn about population dynamics and disease impacts.

  • White-Nose Syndrome in Bat Populations

    White-Nose Syndrome in Bat Populations

    Data Points

    Scientists modeled the impact of an infectious fungal disease on a bat population.

  • Why Two Heads?

    Why Two Heads?

    Phenomenal Images

    Students explore images of planarians regenerating body parts as phenomena to explore cell division and differentiation.

  • 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.

  • Baboon Longevity Under Adversity

    Baboon Longevity Under Adversity

    Data Points

    Scientists studied how adversity early in life impacts the long-term survival of baboons.

  • 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

    Lessons

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

  • The Wolves of Isle Royale

    The Wolves of Isle Royale

    Phenomenal Images

    Students explore photos of wolves hunting a moose on Isle Royale as phenomena to explore the effects of predation on population dynamics.

  • Cougars and Trees in a Trophic Cascade

    Cougars and Trees in a Trophic Cascade

    Data Points

    In Zion National Park, scientists studied the effects of tourism on cougars and cottonwood trees.

  • Asking Scientific Questions

    Asking Scientific Questions

    Lessons

    In this activity, students practice developing and analyzing creative scientific questions.

  • Cancer Cell Invasion

    Cancer Cell Invasion

    Phenomenal Images

    Students explore a photo of tissues and cells as a phenomenon to explore the invasion of cancer cells into muscle tissue.

  • Serengeti Wildebeest Population Regulation

    Serengeti Wildebeest Population Regulation

    Data Points

    In Serengeti National Park, Tanzania, scientists investigated how the eradication of rinderpest disease led to the wildebeest population boom. Worksheets also available in Spanish.

  • Salt Stress Impacts Photosynthesis in Algae

    Salt Stress Impacts Photosynthesis in Algae

    Data Points

    Scientists investigated how salt affects the photosynthetic electron transport chain in freshwater green alga.

  • Age Structure of Ebola Outbreaks

    Age Structure of Ebola Outbreaks

    Data Points

    Scientists analyzed demographics, including sex and age, of the spread of the Ebola Virus Disease during seven outbreaks in the Democratic Republic of Congo.

  • Developing an Explanation for Mouse Fur Color

    Developing an Explanation for Mouse Fur Color

    Lessons

    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. Also available in Spanish.

  • Using Images as Phenomena

    Using Images as Phenomena

    Lessons

    This hands-on activity engages students in asking questions about phenomena using images from the Image of the Week Collection.

  • Pelvic Evolution in Sticklebacks

    Pelvic Evolution in Sticklebacks

    Data Points

    Scientists used SNP genotyping in populations of freshwater stickleback fish to determine the genetic mutations responsible for the impaired development of pelvises and spines.

  • Scientific Inquiry and Data Analysis Using WildCam Gorongosa

    Scientific Inquiry and Data Analysis Using WildCam Gorongosa

    Lessons

    In this activity, students will be guided through making observations from trail camera data in Gorongosa National Park, the development and investigation of a scientifically testable research question, and analysis of their results.

  • Biodiversity Studies in Gorongosa

    Biodiversity Studies in Gorongosa

    Lessons

    In this activity, students will calculate species richness, evenness, and the Shannon diversity index for various habitat types using data from trail cameras in Gorongosa National Park, and then investigate the impact of human activity in these habitats.

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