Life in the Balance
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Özet
This film shows how and why the animals which inhabit a pond are dependent one on another for their survival. We see the minnow in pursuit of water fleas and a stickleback seeking worms to satisfy his need of fuel. Carbon-dioxide, we are reminded, is essential for the growth of the green plants and the oxygen they release for the breathing of the animal population of the pond.
Künye
- Mary Field
- 1 Ağustos 1936
- Released
- United Kingdom
- Gaumont-British Instructional
- 10 dk
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