Explore the major geological and biological events of the Paleozoic era in this comprehensive 23-minute video. Delve into the formation of the Appalachian, Ouachita, and Cordilleran mobile belts through various orogenies, and understand the paleogeography leading to the creation of the Pangea supercontinent. Discover the evolution of both invertebrate and vertebrate animals, as well as plants, including key species like Tiktaalik and the first amniotes. Learn about important index fossils and the devastating end-Permian extinction event, known as the Great Dying. Gain insights into the timeline of the Paleozoic era, its tectonic activities, and the dramatic changes in Earth's geography and climate that shaped life during this pivotal time in our planet's history.