25 Low-Cost Biology Investigations * Joel Beller

Stimulates scientific inquiry with 25 high-interest, classroom-proven labs. Explores fundamental topics including botany, physiology, human biology, and ecology. Introduces creative use of free or inexpensive materials and readily available equipment. Provides background information, student instructions, safety tips, and answers.

First published on January 1, 1994 by J. Weston Walch, Publisher / Walch Education