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.