Biological Clocks
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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
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
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- 16mm Filmography (legacy record) — title, year, creator, format, sound, genre, description, catalog record, video
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