Home Biology BIO-337 BIO-337: Ecology Download as PDF Program Biology Credits 4 Level Undergraduate Designations Liberal Arts and Sciences Credit A qualitative and quantitative study of the interrelationships of organisms and the environment; lecture and laboratory. Prerequisites BIO-136 or ENV-105 with a minimum grade of C- required Corequisites BIO-337L Cross Listed Courses ENV-337 Frequency of Offering Even Fall