Routh, Debbie <br/><br/>
Discovering ecology/ 
by Debbie Routh. 
 - New York:  Mark twain media, Inc. Pub,  c2007. 
 - ii,46p.; 
<br/><br/><label>ISBN: </label>9781580374293 
<br/><br/><label>Subjects--Topical Terms: </label><br/>_ecology
<br/><br/><label>LC Class. No.: </label>QH541.R68 2007