Biology : <br/><br/>
Biology :  concepts & connections. 

 - a custom edition for portland community college. 
 - San Francisco :  Pearson/Benjamin Cummings,  c2008. 
 - xxiv, 251 p. :  illustrations ;  29 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0536062447 9780536062444 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.
<br/><br/><label>Dewey Class. No.: </label>570