Natural Selection

Duration: 16

Year Published: 1963

Creator: ENCYCLOPEDIA BRITANNICA EDUC. (FILM

Format: 16mm

Description: Describes three experiments concerning the role of natural selection in evolution. Illustrates a study of bird predation as a factor in the survival of variant species of moths, a study of natural selection among plant populations, and an investigation of the development of resistance among mosquitos to insecticides.

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