(on demand) An introduction to the classification, morphology, physiology, and genetics of the bacteria, fungi, viruses, and micrometazoans, as well as their roles in nature, health, and inudstry. Laboratory work stresses techniques for the culture and identification of micro-organisms. A portion of the course is devoted to immunology. Prerequisites: BIOL 111, CHEM 121 & 122. BIOL 361 is highly recommended (on demand).