Beginning of the Food Chain: Plankton 4.0 from 0 reviews
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The ocean's plankton community is the subject of this film.

Encyclopedia Britannica, 331 N. LaSalle St., Chicago, IL 60610, Phone: (312)347-7159, Toll-free: 800-323-1229, Fax: (312)294-2104, URL:

Available on Running time 12 minutes.

Cast and Crew

Ecology & Environment, Fish
National Geographic Society

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