Purves, William K.  1934- <br/><br/>
Life, the science of biology / 
William K. Purves, Gordon H. Orians, H. Craig Heller. 
 - 4th edt. 
 - Sunderland, Mass. ;  Salt Lake City, Utah :  Sinauer Associates :  W.H. Freeman,  1995. 
 - 1195, 34, 2, 5, 41 p. :  ill. (some col.), col. maps ;  29 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0716726297 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.