The Food Cycle and Food Chains

The Food Cycle and Food Chains

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Uses animation and live action photography to describe good food chains, almost all depending ultimately on green plants, and relates these food chains to the larger concepts of the oxygen-carbon dioxide and the nitrogen cycles, and to the unending pattern of life, growth, and decay which is known as the food cycle.
Released: 1963
Category: movie
Running time: 10 min
Language: English
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