Prerequisite: BL118, BL119, BL121, BL126. Corequisite: BL334. An introduction to the fascinating world of microorganisms. Topics for discussion range from the discovery of microbes to their diversity, the role they play in the environment, the diseases they cause, and their control and prevention. While the emphasis is on the characteristics of bacteria, students also examine eukaryotic microorganisms and have the opportunity to carry out basic microbiological techniques.