4 credit hoursPrerequisites: BIOL 1110/BIOL 1111, BIOL 1120/BIOL 1121; CHEM 1110/CHEM 1111. Corequisite: BIOL 3401. Basic concepts of the ecosystem and community aquatic and terrestrial habitats and population ecology; complemented by field and laboratory activities. Three hours lecture and one-three hour laboratory.