Educational197412 min640×360

Protists: Threshold of Life

National Geographic Society (U.S.)

EducationIndustrial and advertising

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About

Also issued as videocassette

Presents the tiny organisms called protists, including the euglena, the amoeba, and the paramecium. Shows how thousands of single cells join together to form the colonial protist volvox

Archive
Internet Archive, in Educational films
Licence or status
The Internet Archive states none for this item.
Credit
National Geographic Society (U.S.)
Language
English
Who can watch
The archive gives no rating. Invisible Network shows it to Kids profiles and older, judged from its collection and subjects. How films are placed