Three-dimensional plant anatomy via hand sectioning and differential staining / Barrett Rock -- The effects of soil properties on plant physiology / Wayne Blizzard -- Extraction of chloroplasts from plant tissue and their use in demonstrating the Hill reaction / Peter E. Giebel -- Bacterial virus T4, a simple biological system to introduce genetic mapping in a biology laboratory course / P.J. Valchopoulou-Xanthos -- Experimental studies of permeability in red blood cells / Ruth Von Blum -- Biomechanical analysis of vertebrate skeletal systems / Jon C. Glase, Melvin C. Zimmerman, Stephan C. Brown -- Simulated laboratories and lessons in microbiology and biochemistry / Samuel Kaplan -- Predator-prey simulation exercises for the classroom / James Waddell -- Two simple electrophysiological preparations using grasshoppers / Charles Carlson, Bonnie Jones, and Wayne LaRochelle -- Four exercises in neurobiology / Rollie Schafer -- Use of fern gametophytes to teach concepts of plant development / David Webb -- A developmental study of the Japanese medaka (Oryzias latipes) and the water fern (Marsilea) / Mary Day Albert