Central concepts of biology 
[by] Adela S. Baer [and others] 
 - New York,  Macmillan  [c1971] 
 - vii, 385 p.  illus. (part col.)  24 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.
<br/><br/><label>Dewey Class. No.: </label>574