Overview:
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.| Status: | Released (1974-01-01) |
|---|---|
| Productions: | Coronet Films |
| Production Countries: | United States of America |
| Spoken Languages: |
Similars
Casts
Crews
external ids
fb: | twitter: | imdb: | insta:
Unfortunately, this item has no review yet.