3 hrs. Prerequisite(s): BSC 110/BSC 110L, BSC 111/BSC 111L, CHE 106/CHE 106L, CHE 107/CHE 107L; BSC 380/BSC 380L recommended. The interactions between viruses and their hosting species over a wide range of taxonomic levels with emphasis on evolutionary ecology and principle types of transmission cycles. Note: Course which may be counted toward a major in biological sciences