The life cycle of the horseshoe crab, limulus polyphemus, is detailed. Topics discussed include: geologic ancestry, reproduction, growth and development, molting, and feeding habits. (BT)

The types of habitats that exist along the ocean shore and the various types of birds inhabiting them are detailed. Topics discussed include shorebird feeding habits and methods, nesting patterns, and seasonal migration. (BT)

Reports responses to a series of questions posed to groups of individuals who had been asked to picture their mental image of the term "environment." The absence of people in these mental images is discussed. Includes a list of four books to help expand this train of thought. (MDH)

Explains the value of harvesting garden weeds and eating them. Discusses antioxidant and other nutritional qualities of weeds, weeds that are especially useful as raw or cooked vegetables, the importance of weed identification, and the dangers of weed-killing herbicides. Highlights purslane. (PVD)

Describes a nature walk through a college campus to locate an undisturbed ecosystem among the parking lots, sidewalks, and perfectly landscaped vegetation. (BC)

Describes 14 slide presentations which demonstrate that environmental education can be approached through any subject at any grade level. The presentations (emphasizing nonbiological topics) focus on such areas as agriculture, corporate advertising, city planning, architecture, arithmetic and natural resources, water, recreation, automobiles,…

A comprehensive discussion of the biological activity in tidal pools is provided. The importance of environmental factors such as oxygen supply, temperature, salinity, and light is detailed. Plants and animals that might be found in a tidal pool are identified and described. (BT)

A comprehensive discussion of the free-living worms that inhabit the beaches and subtidal bottoms of the Cape Cod shoreline is presented. Methods for the location, collection, preservation, and identification of sea worms are identified. (BT)

Instructions for the preparation of student-made hand puppets and the set-up and maintenance of a marine aquarium for use in a seashore unit in the elementary grades are detailed. A listing of suitable animals for the aquarium and follow-up activities is included. (BT)

This article provides a model for inviting children to "an exploration in ecology" by observing earthworms. It gives reasons to explore earthworms and guides the investigator through a detailed examination of the worms to answer 21 observation questions. Explores the ways in which earthworms interact with their environment. (LZ)

Advocating environmental action on a personal level, the American Nature Study Society is attempting to provide schools and organizations with techniques which will start with the individual and his immediate environment. Hopefully this will counteract an abstract approach that involves the learner only as a spectator and results in a distortion…

Our value system relating to the natural sciences is examined for its acceptability and worthiness. Scrutinized are the cognitive meanings about values, validity of values, subjective and cultural relativism, the good of objective realities, and cooperation with natural forces and God. (BL)

A comprehensive description of the salt marsh-estuarine ecosystem is provided. Topics discussed include: the general geologic history and formation of this ecosystem; physical and chemical parameters; variety; primary productivity; tidal zones; kind, sizes and abundance of vegetation; and the environmental factors influencing vegetation. (BT)