Plankton.  [Videorecording] / 
National Geographic Society. 
 - Washington :  The Society,  1976. 
 - 1 videorecording, 12 min. :  sd., col.  & teacher's guide. 
 - Bio-science series. .
 - Bio-science series.  [Videorecording] .
<br/><br/> Title from data sheet.  Available as cassette (U standard 3/4 in. or Beta 1 1/2 in. or Beta 2 1/2 in. or VHS 1/2 in.) or reel (1/2 in. or 1 in.)  Also issued as motion picture. 
<br/><br/> Surveys the variety of plants and animals comprising the ocean's plankton community. Explains their complex food webs. 
<br/><br/><label>LCCN: </label>80706311 /F 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marine plankton.
<br/><br/><label>LC Class. No.: </label>QH91.8.P5