Plankton to Fish: A Food Cycle (1974)
Features experiments in an aquarium, illustrating the food chain as a continuous cycle. Shows how each type of living thing depends on the other, when the cycle is properly balanced.
Genres: Documentary
Keywords: tmdb.fish
Production Companies: Coronet Instructional Media
Country: United States
Languages:
English
Recommendations
Runtime: 10 min.
Released: Jan. 1, 1974
Status: Released
Certification: NR