Some Animals Are More Equal than Others: Keystone Species and Trophic Cascades This film tells the story of the ecologists who first documented the role of keystone species in ecosystem regulation. Ecology Science Practices Short Films High School — General High School — AP/IB College
Mutations in Cancer This video provides an overview of the types of genes that, when mutated, can lead to the development of cancer. Genetics Cell Biology Clips High School — AP/IB College
Cancer and Cell Fate in the Intestinal Epithelium This animation shows how disrupting cellular processes in the intestines can lead to colon cancer. Cell Biology Anatomy & Physiology Animations High School — AP/IB College
Cellular Differentiation Along Concentration Gradients This animation shows how varying concentrations of a signaling molecule activate different transcription factors to determine cell fate. Genetics Cell Biology Anatomy & Physiology Animations High School — AP/IB College
Creating Embryonic Stem Cell Lines This animation shows how stem cells from early mammalian embryos can be grown and studied in a laboratory. Biochemistry & Molecular Biology Cell Biology Animations High School — AP/IB College
Differentiation and the Fate of Cells This animation describes the formation and fates of the three germ layers in a human embryo. Cell Biology Anatomy & Physiology Animations High School — AP/IB College
Salamander Limb Regeneration This animation shows how salamanders can replace missing limb tissues with the help of cells similar to stem cells. Cell Biology Animations High School — General High School — AP/IB College
How Tumors Grow This animation shows how a tumor forms, recruits blood vessels, and enters metastasis. Cell Biology Animations High School — AP/IB College
VEGF This animation shows how tumors use the protein VEGF to recruit blood vessels. Cell Biology Animations High School — AP/IB College
Meiosis This animation shows how meiosis, the form of cell division unique to egg and sperm production, can give rise to sperm that carry either an X or a Y chromosome. Cell Biology Anatomy & Physiology Animations High School — AP/IB College
Recombination of the Y Chromosome This animation shows how recombination occurs between the X and Y chromosomes, then within the Y chromosome itself. Biochemistry & Molecular Biology Cell Biology Animations High School — General High School — AP/IB College