The procedures, data analysis, and applications of this laboratory activity are detailed. An example of the results obtained is provided. Sources of the tadpoles and their treatment are discussed. (CW)

Describes the origins of the Kinsey Institute for Sex Research, reference services and research tools offered by the institute, and the collection of materials relating to human sexual behavior. The materials described include books, journals, and magazines; art products; films; videocassettes; and photographs. (seven references) (CLB)

Provides suggestions for a unit on the biological process of aging. Includes three activity sheets on the comparison of jaws and dentition from differently aged people, a denture survey, and eating and living without teeth. Includes a framework for organizing a course on the physiology of aging. (RT)

Described is a capstone experiment which can be used to improve student skills and to illustrate for students the strong connections between chemistry and biology. Procedures and explanations for the three parts of this activity are included. Ten follow-up questions are provided. (CW)

Pollination vectors of a variety of types are described including beetles, bees, flies, moths, birds, bats, and the wind. Some of the adaptations of plants designed to help facilitate pollination are discussed. Strategies for incorporating this information into a lesson plan are suggested. (CW)

Background information, procedures, and suggestions for bird feeder studies easily conducted in high school or middle school settings are provided. Data collection and analysis are discussed. Examples of charts produced by these activities are given. (CW)

Presents information on student interest, teaching problems, and learning outcomes regarding the use of cadavers as a teaching tool. Provides a list of Illinois Community Colleges using cadavers and a student questionnaire. (RT)

Assesses the role of science topic instruction combined with logical reasoning strategy instruction in teaching high school students about blood pressure problems. Reports positive effects of the combined instruction compared to science topic instruction. (Author/YP)

Describes a way to help students grasp intermediate steps in the movement and relationships of the various components involved in the addition of an amino acid to a nascent peptide chain. Includes drawings of the model in operation, construction details, and suggested shapes and labeling of components. (RT)

Examines five basic reactions which describe the biochemical pathways for living things obtaining energy. Shows the reactions that occur in respiration after glycolysis, the dehydrogenation reaction, decarboxylation, and two kinds of make-ready reactions which prepare molecules for further dehydrogenation and decarboxylation. Diagrams are…

Investigates the remediation of misconceptions through application of Gagne's hierarchical learning theory. Uses stoichiometry, food levels, and conservation of mechanical energy as the target concepts. Reports that there was no treatment effect in analysis of covariance using pretest scores as a covariant. (YP)

This article illustrates some problems faced by student teachers of biology when they try to realize the process of "didactic transformation" while planning their classes. To address these problems, a method of subject-matter analysis, utilizing hierarchical concept-maps, was introduced into the teacher training component at the Free…

Provides an overview and description of the metric system. Discusses the evolution of measurement systems and their early cultures, the beginnings of metric measurement, the history of measurement systems in the United States, the International System of Units, its general style and usage, and supplementary units. (RT)

Provides information for the development of a lesson which teaches students about sand, discusses facts about sands, sand studies, life in the sands, and sand activities. Includes diagrams showing the range in sand grain shape, formation of sand ripples, and sand samples from around the world. (RT)

Molecular biology is defined and its status in secondary schools and colleges is discussed. Employment prospects in molecular biology in Britain are described. (CW)