Synopsis
A drop of water is studied under a microscope. Shows rotifers, protozoa, cilia, paramecia, bristle worms, and small snails. Describes the cilia's reproductive processes and the amoeba's digestion. National Archives Identifier: 12347 * Creator(s): Federal Works Agency. Work Projects Administration. (Most Recent) * From: Series: Motion Picture Films, compiled 1931 - 1937 * Record Group 69: Records of the Work Projects Administration, 1922 - 1944 * Level of Description: Item * Type(s) of Archival…
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Details
- Running time
- 10 minutes
