Food chains in the biosphere  [videorecording] / 
Hawkhill Associates ; written and directed by Bill Stonebarger 
 - 1 videodisc (DVD) (25 min.) :  sd., col. ;  12 cm. 
<br/><br/> Title from title screen 
<br/><br/>Videographers, Jane Denny, Michael Stonebagger ; editors, Jane Denny, Bill Stonebarger ; music, Michael stonebarger ; graphics, lin Haley, Doug Mormington, Michael Stonebarger  Videographers, Jane Denny, Michael Stonebagger ; editors, Jane Denny, Bill Stonebarger ; music, Michael stonebarger ; graphics, lin Haley, Doug Mormington, Michael Stonebarger 
<br/><br/> Depicts how food and energy work in the operation of Earth's biosphere and illustrates how we are intimately interconnected with the sun, plants, etc. Also includes guided questions and mastery quiz 
<br/><br/><label>ISBN: </label> RM335.34 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Food chains (Ecology).<br/>Biosphere.