Search Results

Search Results

Showing 1-12 of 12 Resources
  • Walk On

    Walk On

    Image of the Week

    One of the last wolf pups born on Isle Royale National Park in 2009.

  • Using Genetic Evidence to Identify Ivory Poaching Hotspots

    Using Genetic Evidence to Identify Ivory Poaching Hotspots

    Data Point

    A team of scientists analyzed the DNA from seized ivory to determine where the ivory from poached elephants came from.

  • CSI Wildlife

    CSI Wildlife

    Click & Learn

    In this interactive, students use DNA profiling, or fingerprinting, to solve two cases of elephant poaching. In the process they will learn about genetic markers, PCR, gel electrophoresis, allele frequencies, and population genetics.

  • How Species Coexist

    How Species Coexist


    (27 min 25 sec) Large herbivores in the African savanna coexist by partitioning ecological niches by time, space, and diet.

  • Ocean Species Respond to Climate Change

    Ocean Species Respond to Climate Change


    (29 min 39 sec) Coral reefs, how they are threatened by climate change, and how to protect them.

  • Rescuing Species

    Rescuing Species


    (29 min 1 sec) How to preserve genetic diversity that is threatened by habitat loss.

  • Using DNA to Explore Lizard Phylogeny

    Using DNA to Explore Lizard Phylogeny


    This activity supports the film The Origin of Species: Lizards in an Evolutionary Tree. Students are guided to sort the lizard species by appearance, then generate a phylogenetic tree using the lizards’ DNA sequences to evaluate whether species that appear similar are closely related to each other.

  • Click and Learn App

    Click and Learn App

    Apps and eBooks

    Interactively explore topics in biology with the Click and Learn app. Now available from the Apple App Store, Google Play, and Amazon Apps!

  • Biodiversity and Evolutionary Trees

    Biodiversity and Evolutionary Trees


    Construct evolutionary trees by sorting seashells. To accompany the lecture series Exploring Biodiversity: The Search for New Medicines and the Sorting Seashells Click and Learn interactive.

  • Bacterial Quorum Sensing

    Bacterial Quorum Sensing

    Click & Learn

    Understand how quorum sensing works by reasoning through experiments involving genetically-engineered bioluminescent bacteria.

  • Sorting Seashells

    Sorting Seashells

    Click & Learn

    Explore principles of taxonomy by sorting seashells according to their morphological characteristics and constructing an evolutionary tree.

  • The Mammalian Timekeeper

    The Mammalian Timekeeper


    (57 min 50 sec) Dr. Takahashi describes the powerful strategies that he and others have harnessed for understanding biological clocks in mammals.

Refine Results

Narrow your choices by selecting areas below.