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
Access-restricted-item
true
Addeddate
2016-01-29 02:21:44
Boxid
IA1130321
Frames_per_second
24
Identifier
biologicalclocks
Lccn
fia68001039
Rights
Produced in cooperation with the National Education Association, the National Science Teachers Association, the American Library Association, and the American Institute of Biological Sciences