Why Two Heads? This activity explores images of planarians regenerating missing body parts, which serve as phenomena for learning about cell division and differentiation. Cell Biology Anatomy & Physiology Phenomenal Images High School — General High School — AP/IB
Synchronized Division This activity explores an image of early embryonic cells, which serves as a phenomenon for learning about cell division and development. Cell Biology Anatomy & Physiology Phenomenal Images High School — General High School — AP/IB
Earth Systems Activity This activity guides students through building a conceptual model of how carbon dioxide affects Earth’s climate. Environmental Science Earth Science Lessons High School — General 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
VEGF This animation shows how tumors use the protein VEGF to recruit blood vessels. Cell Biology Animations High School — AP/IB College
