This article reviews the treatment of lichens in 93 different introductory North American botany textbooks. Topics considered are questions of relationship, independent survival, reproduction, definition, and scientific name. The author reports that treatment is uneven and often includes incomplete or erroneous information which may persist…

Discusses between-species variation in adaptation of the photosynthetic mechanism to cope with wide fluctuations of environmental water regime. Describes models for water conservation in plants and the role of photorespiration in the evolution of the different pathways. (CW)

Notes several benefits that early childhood activities with plants can provide. Contains suggestions on projects involving children and narcissus bulbs, birdseed gardens, and amaryllis. Includes several extentions to the activities which deal with art and dramatics. (TW)

Provides seven fully developed library media activities to be used in connection with specific curriculum units in music, physical education, reading/language arts, science, and social studies. Elements described for each activity include objectives, curriculum objectives, resources, instructional roles, activities and procedures, evaluation, and…

Provides: (1) background information on how forests are managed and some of the problems facing forests around the world; (2) three activities dealing with these topics; and (3) three ready-to-copy pages for student use. Activities include an objective, recommended age level(s), recommended subject area(s), list of materials needed, and…

Provides: (1) background information on how trees have influenced human history and how trees affect people today; (2) four activities dealing with these topics; and (3) a ready-to-copy page related to paper and plastics. Activities include an objective, recommended age level(s), subject area(s), list of materials needed, and procedures. (JN)

"Exploring Old Growth Forests" is an Ontario (Canada) program that provides secondary students with hands-on experiences in old growth forests. Activity-based and student-centered, the program aims to develop student awareness of the importance of old growth forests and the need to conserve them. This manual provides teachers with…

Schoolyard greening is an excellent way to promote hands-on, interdisciplinary learning about the environment through projects that benefit schools and increase green space and biodiversity in communities. This book features step-by-step instructions for numerous schoolyard projects from tree nurseries to school composting to native plant gardens,…

Suggests that invasion biology can supply subject matter for teaching evolution, genetics, ecological relationships, and conservation. Describes flowering and non-flowering plant invaders, vertebrates and invertebrates, and two ecological invasions on the southern coast of England. (JN)

Discusses field collection, preservation and storage techniques, and identification of slime molds (with fruiting bodies). (DC)

Presented is a summary of scientific knowledge about the rainforest environment, a tropical ecosystem in danger of extermination. Topics include the current state of tropical rainforests, the causes of rainforest destruction, and alternatives of rainforest destruction. (BT)

The study investigated specific student behavior in introductory and advanced college laboratories in botany, chemistry, geology, physics, and zoology. Behaviors were observed, described, and classified with no effort made to induce change, detail underlying conditions, or identify correlates. (Author/RE)

Presents reasons for utilizing abandoned railroad tracks in ecology field trip studies. Explanations are given for the factors influencing railroad vegetation. Activities for students are suggested. (SA)

Describes a way in which elementary students can be guided in making observations of damage to plants in the out-of-doors. The process of gathering data to support an hypothesis is encouraged. (SA)

Summarizes the benefits of using hydroponics in school for investigational work. Lists requirements and includes advice on suitable plant choices. Outlines the various growing systems and growing media and provides suggestions for science investigations using hydroponics. (DDR)