This book is designed to introduce students to a variety of fascinating desert ecosystems through a series of learning activities including games, graphs, experiments, and crafts. Each section contains an information section along with student activities and worksheets. The section topics are sand, scorpions, and snow; scenic sculpture; desert…

This book contains science projects about seed plants that deal with plant physiology, plant ecology, and plant agriculture. Each of the projects includes a step-by-step experiment followed by suggestions for further investigations. Chapters include: (1) "Bean Seed Imbibition"; (2) "Germination Percentages of Different Types of Seeds"; (3)…

This program is the third in the Science Safari series produced by the Fairfax Network of the Fairfax County (Virginia) Public Schools. It focuses on animals and plants that are native to the continent of North America and highlights the importance of species interdependence. The aim of this program is to provide students with the knowledge…

This illustrated book presents the natural world that exists right outside the door through a series of projects, experiments, and activities that are simple enough for young children to do. Activities are divided into six sections: (1) Insects and Worms; (2) Birds; (3) Backyard Animals; (4) Seeds; (5) Plant Magic; and (6) Soil, Air, and Water.…

This book contains a collection of 12 articles first printed in the magazine Scientific American. These articles show how life manages to eke out an existence where, by all rights, it shouldn't and helps in explaining the roles of energy and the building-block elements in the cycles of life. The titles include: (1) "The Evolution of the…

This manual is intended to assist pesticide applicators to meet the requirements for certification under the Michigan Pesticide Control Act of 1976. The primary focus of this publication is on field crop pest control. The five sections presented describe: (1) Field crop pests; (2) Using pesticides in field crops; (3) Weed pests of field crops; (4)…

The rationale of the integrated experience approach to teaching botany at Purdue University is given and the history of the audio-tutorial course at Purdue and its present organization are described. A sample week's unit of study is given, including transcription of the tape, reproduction of printed materials and photographs of other materials…

Research in photosynthesis is revealing a number of possible ways to increase the efficiency of carbon dioxide assimilation by crops and thus increase yields, a necessity in times of growing population and shrinking agricultural land. (Author/BB)

Consists of a survey, department by department, of the jobs for biologists at the National Museum of Natural History. (BB)

This is the first of two articles showing how plants that have been used in folk medicine for many centuries are guiding scientists in the design and preparation of new and potent drugs. Opium and its chemical derivatives are examined at length in this article. (Author/MA)

A plant protoplast is basically a plant cell that lacks a cell wall. This article outlines some of the ways in which protoplasts may be used to advance understanding of plant cell biology in research and student instruction. Topics include high efficiency experimental virus infection, organelle isolation, and osmotic effects. (Author/MA)

The teaching of botany in Southeast Asia is discussed with reference to the problems presented by the richness of the tropical flora and the lack of basic data. (Author/AJ)