Life, the science of biology / 
William K. Purves ... [et al.]. 
 - 6th ed. 
 - Sunderland, MA :  Sinauer Associates,  c2001. 
 - 553p.; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>07167444X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.
<br/><br/><label>LC Class. No.: </label>QH308.2.L565 2001