Seed dispersal

Duration: 10 min

Year Published: 1931

Creator: Encyclopaedia Britannica Films Inc

Format: 16mm

Sound: Sound

Description: Shows ways in which seeds of plants are scattered in order to insure propagation of the species: dispersal by wind, transportation by animals, and forceful propulsion from the seed case. Describes the anchoring methods of germination by clamping, hooking, adhesion, and corkscrew motion. Considers various means by which seeds are disseminated; how they anchor themselves to the ground to facilitate germination; and how they protect themselves. Demonstrates the dispersal of seed plants by wind, transportation by animals, and propulsion from seed plants by wind, transportation by animals, and propulsion from seed cases. Describes anchoring methods by clamping, hooking, adhesion, and corkscrew motion. Portrays various natural devices for protection while sprouting.

Metadata Source:Educational Film Guide 1946

2 users have this film:
Indiana University Library Moving Image Archive, University of Georgia Walter J Brown Media Archives and Peabody Collection

Related films:

Original permalink · Record added: 2025-04-19 22:01:46