Food Chains: A Bond Of Life

Format: 16mm

Sound: sound

Description: Food Chains - a Bond of LifeBARR FILMS 3490 E FOOTHILL BLVD PASADENA, CA 91107BARR FILMS 3490 E FOOTHILL BLVD PASADENA, CA 91107DX: $2401981 Grade Level: J H Distributed on media: 1 videocassette (15 min.), 1/2 in.; 1 videocassette (u-matic) (15 min.), 3/4 in.; 1 film reel (15 min.), 16 mm. Color?Color Length: 15 MIN Library of Congress Registration 81-700782 Description: Illustrates the food chain as a pyramid with the producers at the bottom and all other life forms in three levels above. Explains how energy from the Sun is converted into food by plants and then passed on. Topics: Biology,-Ecology-Ecosystems

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