PBS
The World Before Plate Tectonics
There was a time in Earth’s history that was so stable, geologists once called it the Boring Billion. But the fact is, this period was anything but boring. In fact, it set the stage for our modern version of plate tectonics - and...
Wonderscape
Exploring the Paleozoic Era: From Cambrian Explosion to the Great Dying
Journey through the Paleozoic era, a transformative period in Earth's history marked by the emergence of complex life and culminating in the largest mass extinction ever. Learn about the rise of diverse life forms, from the Cambrian...
CK-12 Foundation
Ck 12: Evolution of Life: Introduction to Evolution and Natural Selection
[Free Registration/Login may be required to access all resource tools.] Introduce students to evolution, variation in a population, and natural selection. This video highlights the relationships between evolution and natural selection as...
Untamed Science
Untamed Science: Biology: Evolution: Sexual Selection
Learn about the evolutionary process of sexual selection, a specific form of natural selection. [12:09]
Annenberg Foundation
Annenberg Learner: The Habitable Planet: Many Planets, One Earth (Video)
With this resource, users learn how rocks from millions of years ago give evidence of the emergence of oxygen in Earth's atmosphere. Make the connection between this evidence and the presence of complex animal life on our planet. [28:27]
PBS
Pbs Learning Media: Mass Extinction
Presentation of an emerging theory that explains the mass extinction of life that occurred at the end of the Permian period. [4:51]