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  • Developing an Explanation for Mouse Fur Color

    Developing an Explanation for Mouse Fur Color

    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. 

  • Pelvic Evolution in Sticklebacks

    Pelvic Evolution in Sticklebacks

    Data Point

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

  • 3D Scan of Tiktaalik Fossil – Humerus

    3D Scan of Tiktaalik Fossil – Humerus

    3D Model

    3D-scans of fossil bones of Tiktaalik, a creature with a mix of features common to fish and tetrapods.

  • 3D Scan of Tiktaalik Fossil – Pelvis

    3D Scan of Tiktaalik Fossil – Pelvis

    3D Model

    3D-scans of fossil bones of Tiktaalik, a creature with a mix of features common to fish and tetrapods.

  • 3D Scan of Tiktaalik Fossil – Pectoral Fin

    3D Scan of Tiktaalik Fossil – Pectoral Fin

    3D Model

    3D-scans of fossil bones of Tiktaalik, a creature with a mix of features common to fish and tetrapods.

  • 3D Scan of Tiktaalik Fossil –  Body

    3D Scan of Tiktaalik Fossil – Body

    3D Model

    3D-scans of fossil bones of Tiktaalik, a creature with a mix of features common to fish and tetrapods.

  • 3D Scan of Tiktaalik Fossil –  Skull

    3D Scan of Tiktaalik Fossil – Skull

    3D Model

    3D-scans of fossil bones of Tiktaalik, a creature with a mix of features common to fish and tetrapods.

  • New Laetoli Footprints and Hominin Body Size

    New Laetoli Footprints and Hominin Body Size

    Data Point

    Scientists were excavating a site in Laetoli, Tanzania when they uncovered two new sets of hominin tracks located about 150 meters south of the tracks found by Mary Leakey in the 1970’s. They estimated the heights of the two individuals using the size and shape of the footprints.

  • BioInteractive Online Professional Learning Course--Evolution

    BioInteractive Online Professional Learning Course--Evolution

    Online Professional Learning Course

    This asynchronous course is designed to help teachers deepen their content knowledge in evolution, and learn about exciting free classroom resources from BioInteractive.

  • Superbugs That Resist Antibiotics Can Evolve in 11 Days

    Superbugs That Resist Antibiotics Can Evolve in 11 Days

    Feature Film

    (8 min 50 sec) Antibiotics like penicillin have a critical role in medicine, but using them is not a decision to be taken lightly.

  • Origins of Antibiotic Resistance

    Origins of Antibiotic Resistance

    Data Point

    Scientists collected bacteria from locations that had never been exposed to humans or modern antibiotics to determine if antibiotic resistance is newly evolved since the introduction of antibiotics or has evolved independently.

  • EarthViewer

    EarthViewer

    Click & Learn

    Download the accompanying student worksheet under "Downloads." What did Earth look like 250 million years ago? Or 1 billion years ago? Or 4.5 billion years ago? EarthViewer is an interactive tool that allows you to explore the science of Earth's deep history.

  • Patterns in the Distribution of Lactase Persistence

    Patterns in the Distribution of Lactase Persistence

    Activity

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

  • Mimicry in a Diverse Community of Arthropods

    Mimicry in a Diverse Community of Arthropods

    Data Point

    Researchers exposed arthropod mimics that use a golden patch to warn of unpalatability to predators with different prey preferences to determine how effective their warnings were.

  • Think Like a Scientist: Natural Selection in an Outbreak

    Think Like a Scientist: Natural Selection in an Outbreak

    Scientists at Work

    (7 min 29 sec) This video brings us to the front lines of the 2013–2015 Ebola outbreak in west Africa and explains how scientists monitored the evolution of the virus by analyzing its genome.

  • Middle School

    Middle School

    Collection

    A small selection of our multimedia resources that will enhance your teaching of middle school life and earth science classes. They include engaging, high-quality animation, hands-on activities,...

  • Dating Corn Domestication Using Carbon Isotopes

    Dating Corn Domestication Using Carbon Isotopes

    Data Point

    To study the change in diet as human populations changed lifestyles from hunter-gatherers to agriculturalists, scientists measured carbon isotopes in the collagen tissues of human skeletons from North America.

  • 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.

  • Mass Extinctions: Lessons from the Past

    Mass Extinctions: Lessons from the Past

    Apps and eBooks

    Examine the history and causes of past mass extinctions, and the evidence for whether we are facing a sixth mass extinction, with this interactive eBook.

  • Selection for Tuskless Elephants

    Selection for Tuskless Elephants

    Scientists at Work

    (6 min 39 sec) Working in Gorongosa National Park, Mozambique, Dr. Joyce Poole and colleagues made a striking observation: many female elephants lack tusks.

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