Natural Sciences II is an interdisciplinary biological science course for non-science majors. It explores the creation of the solar system and Earth and the origin and evolution of life on Earth. It traces the evolution of life from single cells to complex organisms and focuses on the evolution of modern humans. It discusses the cellular and genetic mechanisms of evolution together with fundamental aspects of ecology and theories of mass extinctions. Finally, it explores topics in exobiology and compares life on Earth to possible life elsewhere in the galaxy.