Describes activities that can be done to study insect ecology by use of the galls of goldenrod plants. (RH)

Describes opportunities for life scientists in the National Park Service. (BB)

Argues that the topic of symbiosis has been greatly neglected and underemphasized in general-biology textbooks. Discusses many types and examples of symbiosis, and provides an extensive bibliography of the literature related to this topic. (JR)

Demonstrates the magnitude of an extinction event by using a simulation to illustrate the massive nature of the loss of a family and the number of species that perish to achieve that result. (RT)

Part two of a two-part article gives details of the threat of off-road vehicles to the terrain and wildlife of desert areas and to cultural values. (JR)

Described is the construction and use of an environmental garden. The garden serves as a source of both indoor and outdoor laboratory materials, including vascular plants, fungi, algae, mosses, zooplankton, and macroscopic invertebrates. (BB)

Discusses how to get a job in academic outdoor education, particularly at the Yosemite Institute. (BB)

Using aerial photographs to study shrubs biomass allows students to avoid unpleasant working conditions and to study communities that are inaccessible or distant. (BB)

Presents a method which organizes concepts and relates different phenomena to a single model of ecology. Describes how this model is used to explain the overall significance of biological and ecological cycles and its usefulness in helping students to understand the various dangers to and remedies available for an ecosystem. (CS)

Discussed is an activity designed to teach small mammal ecology and the scientific method using fluorescent dyes and pigments. Procedures for analyzing home ranges and social organizations are described. A list of 16 references is included. (CW)

Described is the production of a simple 30-minute super 8-mm film as a joint student-teacher effort. The film was a study of the ecology of the Santa Ana River. (RH)

Outlined is a water ecology unit included within a one-semester field biology course for upper level high school students. Activities described include a visit to a water treatment plant, an abiotic stream study, a biotic stream study, interactions and questioning topics, and individual projects. (CS)

Presented is an activity designed to teach the use of the scientific method to non-science majors. Collecting, classification, and follow-up activities for a beach trip are discussed. Two simple dichotomous keys are included. (CW)

Discusses the importance of student questions as tools of instruction and as indicators of student misconceptions. Suggests different ways in which students may gain an understanding of biological concepts through discussion of popular movies and biological problems. (CW)

Describes the usefulness of glyphosate for a demonstration of its herbicidal properties. Includes a list of the materials, preparation of solutions, procedures, data collection and analysis for three activities involving this chemical. (CW)