16mm educational film from a large universities cold storage facility.   

Plankton: pastures of the ocean

Author:Encyclopaedia Britannica Films, Inc

Summary:Uses live sequences and microphotography to develop concepts which reveal the importance of plankton in the ecologic structure of the ocean environment and the possibility that plankton may someday become a major source of food for the world's exploding population

Film, English, 1966

Publisher: Encyclopædia Britannica Films, [United States], 1966

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