16mm Filmography
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Energy Relations

Duration: 33

Creator: CRM/McGraw-Hill Films

Format: 16mm

Color: Color

Description: Describes how energy from the sun is transformed into food by plants. Shows food relationships among insects, spiders, ptarmigan, geese, foxes, bears, and man. Points out an example of a food chain.

1 user has this film:
Indiana University Library Moving Image Archive

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Original permalink · Record added: 2024-04-22 21:31:16