Purves, William K.  1934- <br/><br/>
Life, the science of biology / 
William K. Purves, Gordon H. Orians, H. Craig Heller. 
 - 3rd ed. 
 - Sunderland, Mass. :  Salt Lake City, Utah :  Sinauer Associates ;  W.H. Freeman,  c1992. 
 - 1 v. (various pagings) :  ill. (some col.), col. maps ;  29 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0716722763 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.