# Protists: Threshold of Life

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

- Kind: Educational
- Year: 1974
- By: National Geographic Society (U.S.)
- Genres: Education, Industrial and advertising
- Archive: [Internet Archive](https://archive.org/details/protiststhresholdoflife)
- Licence or status: none stated by the archive
- Who can watch: Kids profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/protiststhresholdoflife?play=1)