Plankton to Fish – a Food Cycle (1973)
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.
We digitized and uploaded this film from the A/V Geeks 16mm Archive. Email us at footage@avgeeks.com if you have questions about the footage and are interested in using it in your project.
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