Britanica learning library : science and nature / 

 - Chicago :   Encyclopaedia Britanica,   c2003 
 - 63 p. :   ill. (chiefly col.) ;   29 cm. 
<br/><br/>1. Includes glossary. 
<br/><br/><label>ISBN: </label>1-59339-033-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.
<br/><br/><label>Dewey Class. No.: </label>GR.577 B862 2003