Currie , Stephen <br/><br/>
Ecosystems 
Stephen Currie 
 - 1st ed. 
 - USA .  Cherry Lake Publishing  2009. 
 - 32p.  col ill.  23cm. 
 - 	21st century skills library., Real world science. .
<br/><br/> The Hands on Science series provides students with background on key concepts in Science. Each title includes engaging hands on exercises that bring the concepts to life for kids. Real World Science: Ecosystems, examine and define what are ecosystems, how living things get energy in an ecosystem, competing and surviving in an ecosystem, and extinction and its causes. 
<br/><br/><label>ISBN: </label>9781602794580 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Biotic communities.<br/>JUVENILE NONFICTION -- Science & Nature -- Earth Sciences -- General.
<br/><br/><label>Dewey Class. No.: </label>577  / CUR