The focus of the Association for Biology Laboratory Education (ABLE) is to improve the undergraduate biology laboratory experience by promoting the development and dissemination of interesting, innovative, and reliable laboratory exercises. This proceedings volume contains eight papers: "Bacterial Transformation" (M. J. Ernest & N. J. Rosenbaum); "Extraction, Assay, and Light Activation of NADP+-3-Phosphoglyceraldehyde Dehydrogenase" (W. H. Outlaw, Jr., T. P. Kraus, & A. B. Thistle); "Responses to Stimuli: The Basis of Behavior" (K. S. Podwall, R. R. Talbert, & W. B. Lener); "Sensory Perception and Communication in Electric Fish" (P. J. DeCoursey); "Clearing Techniques for the Study of Vascular Plant Tissues in Whole Structures and Thick Sections" (J. M. Herr, Jr.); "The Use of the Biotic Index as an Indication of Water Quality" (M. C. Zimmerman); "A Field Study of the Ant Trail Phenomenon" (D. Moody); and "Chick Embryos in Shell-less Culture" (C. J. Fisher). (MKR)