Watkins, Patricia A <br/><br/>
Life science 

 - New York  Holt, Rinehart and Winston  1994 
 - xix, 610p 
<br/><br/><label>ISBN: </label>0-03-032518-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals -- Vertebrates and invertebrates<br/>Biosphere<br/>Cells -- Plants and animal<br/>DNA -- Cell energy<br/>Ecosystem<br/>Environment -- Pollution and protection<br/>Human body system<br/>Living things -- Classification<br/>Plants