Prerequisites:BIO 103 or NATSC 103, and BIO 104 or NATSC 204, CHEM 191 and CHEM 192; or consent of instructor Fulfills a course requirement in the Biology and Marine Biology Core Concentration. Fulfills a course requirement in the Environmental Science Core Concentration Examines flora and fauna in freshwater and estuarine environments and their interrelationships with the physical and chemical properties of these waters.