Man and the environment /
Rasmussen, Frederick A.
Man and the environment / Frederick A. Rasmussen, Paul Holobinko, Victor M. Showalter. - Boston : Houghton Mifflin, c1974. - xii, 417 p. : ill. - Life science investigations .
Student's edition.
0395108691
Biology--Experiments.
Ecology--Experiments.
Biology--Study and teaching (Secondary)
Environmental education.
Man and the environment / Frederick A. Rasmussen, Paul Holobinko, Victor M. Showalter. - Boston : Houghton Mifflin, c1974. - xii, 417 p. : ill. - Life science investigations .
Student's edition.
0395108691
Biology--Experiments.
Ecology--Experiments.
Biology--Study and teaching (Secondary)
Environmental education.