Synopsis
Produced in cooperation with the National Education Association, the National Science Teachers Association, the American Library Association, and the American Institute of Biological Sciences Investigates how animals are able to perform certain activities at specific times. Presents experiments to discover whether biological clocks are responsive to internal or external forces
Uploader's description on archive.org
Details
- Running time
- 24 minutes
- Collection
- Educational Films, Ephemeral Films
Subjects on the Internet Archive
- Biological rhythms