Man and the environment - Rasmussen, Frederick A.; Holobinko, Paul; Showalter, Victor M. (Boston, Massachusetts : Houghton Mifflin Company, 1971)
Unit One. Investigating living things -- Unit Two. The environment affects living things -- Unit three. living things affect each other -- Unit Four. Man affects the environment.
Includes index.
Keywords: HUMAN BEINGS -- INFLUENCE OF ENVIRONMENT