This exercise demonstrates the principle of parsimony in constructing cladograms. Although it is designed using mammalian cranial characters, the activity could be adapted for characters from any group of organisms. Students score categorical traits on skulls and record the data in a spreadsheet. Using the Mesquite software package, students…

Describes a simple method to enhance the teaching of protein structures and function by analyzing amino acid sequences using word processing programs. (ZWH)

Speculates on the place of computers and defining the student-computer relationship within the context of biology education. Discusses the value of computer simulations. (DDR)

Advocates using computer imaging technology to assist students in doing projects in which determining density is important. Students can study quantitative comparisons of masses, lengths, and widths using computer software. Includes figures displaying computer images of shells, yeast cultures, and the Aral Sea. (SAH)

Bioinformatics is one of the fastest growing scientific areas over the last decade. It focuses on the use of informatics tools for the organization and analysis of biological data. An example of their importance is the availability nowadays of dozens of software programs for genomic and proteomic studies. Thus, there is a growing field (private…

A computer program that simulates the random evolution of a metabolic pathway is given. The program shows that natural selection preserves favorable traits if they occur in a specific sequence. (KR)

We have developed an introductory bioinformatics exercise for sophomore biology and biochemistry students that reinforces the understanding of the structure of a gene and the principles and events involved in its expression. In addition, the activity illustrates the severe effect mutations in a gene sequence can have on the protein product.…

Outlines an in-depth case study of teachers' use of image processing in biology, earth science, and physics classes in one high school science department. Explores issues surrounding technology implementation. Contains 21 references. (DDR)

Discusses the advantages and disadvantages of using laptop computers rather than desktop computers in science classroom and laboratory instruction. Finds that while laptops provide greater flexibility, they come at a greater expense. Lists the uses of laptops in a departmental curriculum. (Author/WRM)

Describes a study that investigates both the use and usefulness of laboratory dissections and computer-based dissections in a tertiary, first-year human biology course. Explores attitudes toward dissection. (DDR)

This document presents a science experiment demonstrating the scientific method. The experiment consists of testing the fermentation capabilities of yeasts under different circumstances. The experiment is supported with computer software called BioLab which demonstrates yeast's response to different environments. (YDS)

Provides information on motivational activities, demonstrations, experiments, software, lessons, field trips, and a game as ideas for instructional use. Includes topics on digestion in paramecium, diffusion, cells, interactive displays, slime molds, and the construction of an underwater viewing device. (RT)

Describes a computer program to teach the concepts that underpin genetic mapping using a three-point test cross. The program is used in a sophomore-level course for biology majors that presents a rigorous introduction to genetics. (PR)

Describes the design and implementation of an activity to teach electrocommunication in animals using scientific inquiry and engineering design to pose questions, seek answers, and develop solutions in understanding electrocommunication in electric fish; develop explanations of natural phenomena as a creative process; and help understand that…

Recommends a number of investigations using video-capture and two readily available, non-pathogenic larval Digeneans with contrasting life cycles and behavior. The activities support the hypothesis that parasites exhibit behavior that increases their chances of a host infection. (DDR)