Conserving our environment use and reuse : the pollution crisis

The ecological system of a fishbowl depicts in miniature the ecology of the earth, demonstrating the interdependence of plant and animal organisms, and the harmful effects of man's interference with the environment.

Bibliographic Details
Corporate Author: Coronet Instructional Films (Firm)
Format: Visual Material
Language:English
Published: Northbrook, Illinois Coronet MTI Film & Video [1972].
Subjects: