Presents questions and answers pertaining to yeast fermentation, oxygen content of the air, nutritional requirements of hot water bacteria, the hydrolysis of acetyl coenzyme A, and the stratified distribution of life in the Black Sea. (MLH)

Describes an instructional unit intended for the third grade. (MF)

Describes the initially ignored research performed in 1900 by Archibald Garrod concerning the link between heredity and biochemical reactions. (MLH)

Presents an outline of lectures given on this topic to British secondary students. Man's various ideas about the origin of life are included in three categories: those that consider life to have been created by a Divine Being; those that consider life to have developed from non-living matter; and those that consider life to be eternal. (MLH)

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)

How to teach environmental relevance to elementary students using a terrarium as a teaching aid. Includes suggestions for terrarium construction and experiments. (RB)

Reports the addition of new courses in a community college made possible with the acquisition of electron microscopic equipment. (GB)

"Differentiating Instruction With Menus Grades 3-5" offers teachers everything they need to create a student-centered learning environment based on choice. Addressing the four main subject areas (language arts, math, science, and social studies) and the major concepts taught within these areas, these books provide a number of different types of…

Describes how to construct a model of a DNA molecule with inexpensive materials. (BR)

Summarizes physics laboratory experiments with applications in the biological sciences. Includes the following topics: mechanics of the human arm, fluid flow in tubes, physics of learning, the electrocardiograph, nerve impulse conduction, and corrective lenses for eye defects. (Author/MLH)

In this teaching guide the natural and social sciences are integrated with an emphasis on conservation and ecology. The guide contains ten teaching units dealing with various physical and biological aspects of the environment. Unit one deals with the question of what is conservation. Unit two is concerned with the question of what is a natural…

This publication serves as a guide to activities and strategies in environmental education. Lesson plans include objectives and suggested procedures in dealing with the following environmental concepts: (1) The earth is a vast but limited natural system; (2) The total environment is in constant change; (3) A living thing is the product of its…