Food web and energy pyramid.
Sign in to track this film in your collection or want list.
Series: Our Living World Series
Duration: 7:00
Year Published: 1967
Creator: Calvin Productions Inc.
Format: 16mm
Sound: sound
Description: P: Preservation Material MAG: Sprocketed Magnetic Track AC: Acetate B: 800' 16/8/9.5mm 16mm Color Sound 700 Calvin Productions, Inc. McGraw-Hill Text Films, A shortened version of the 1961 motion picture entitled Energy Relations. Explains the transfer and loss of biomass and energy from primary producers to herbivores and from one or more levels of carnivores. Illustrates food chains, food webs, the trophic level concept and productivity.
Complete Record: A shortened version of the 1961 motion picture entitled Energy Relations. Explains the transfer and loss of biomass and energy from primary producers to herbivores and from one or more levels of carnivores. Illustrates food chains, food webs, the trophic level concept and productivity. NOTE: Two (or more) records have been merged together to create this data.
2 users have this film:
Library of Congress, Prelinger Archives
Related films:
- Suppliers of nutrients: roots. (1967) · Calvin Productions Inc.
- Removal of protein wastes in vertebrates. (1967) · Calvin Productions Inc.
- There Will Be A Slight Delay (1971) (1971) · Calvin Productions Inc.
- Promises To Keep (1966) (1966) · Calvin Productions Inc.
- You And Me And The SST (1969) (1969) · Calvin Productions Inc.
- A short walk to Trumbull Street. (1970) (1970) · Calvin Productions Inc.
- Control. (1964) · Calvin Productions Inc.
- Bicycling With Complete Safety (1939) (1939) · Calvin Productions Inc.
Original permalink · Record added: 2023-11-09 15:42:27