A study of the major evolutionary events in the history of life, with a special focus on marine invertebrates. Special topics include evolution, functional adaptations, paleoenvironments, the origin of life, mass extinction and origination, and how life has changed through time. At least one weekend field trip. Prerequisite: 101 and 102, or 108, or FYS 103, or 102 with any other GEO 100-level course. 102 can be taken concurrently; open also to students who have fulfilled the basis for the BIO major.