An interdisciplinary course including the following topics: ecosystems, population dynamics, flow of energy and materials and their transformations, renewable and non-renewable resources, wastes, energy, solid wastes, control of weeds and pests, environment and human health and anthropogenic effects on the environment. Required for Environmental Science majors. Prerequisite: Eight hours of major's biology or permission of instructor. Lab fee: $27.25. (Cross-listed with ENSC 3401)