Biology is an adventure It's solving problems about living organisms. As a student of biology you must have a curiosity about living things and a foundation for questioning, exploring, experimenting and experiencing the excitement of discovery. For either the Bachelor of Arts or Bachelor of Science degree, the student must take our introductory core sequence (BIOL 225 and 226) and a semester of Genetics (BIOL 330). Completion of the two-course introductory core with grades of C- or higher is required before upper-division biology courses can be taken. Furthermore, BIOL 330 must be completed within five semesters of starting the introductory core series. To ensure breadth of study in biology, students must complete at least one upper-division course in each of the three categories below. In addition, at least one upper division course must be taken that is botanical in nature and one that is zoological in nature. The two upper division courses that satisfy the botanical and zoological requirements could also fulfill corresponding distribution requirements.