Adaptive Radiation: The Mollusks: Encyclopaedia Britannica Films, Inc

Creator: Encyclopaedia Britannica Films Inc.

Format: 16mm

Sound: sound

Description: With teacher's guide; Explains and illustrates the principle of adaptive radiation by showing how the typical molluscan characteristics are modified in each of the classes. Uses animated drawings and photomicrography to show how the general form of the mollusk has been adapted to many specialized and different ways of life in salt and fresh water and on land

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