Biology :  A Critical Thinking Approach / 
Allen, Robert D. 
 - 1st. 
 - xvii, 298p. :  illus., index ;  27.5cm. 
<br/><br/><label>ISBN: </label>0697147495 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology--1995--Dubuque, IA--paperbound.