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Title Work

Title No: 19809

Title: Adaptive radiation: the mollusks

Medium: Multimedia

Original Medium: Video

Date: c1961 (Copyright)

Original Summary:
Part of the "Biology program: animal life" series, this film "[e]xplains 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."--Summary from WorldCat

Countries of Origin: U.S.A.

Duration: 18 min 

Genres: Educational

Subjects: Mollusks; Adaptation (Biology)

Production CompanyEncyclopaedia Britannica Educational Corporation
Distribution CompanyEncyclopaedia Britannica Educational Corporation

Items x2

19809-1Digital : Unknown 
19809-2Digital : Video/mpeg 

Contained By x1

Title NoTitle
4819St. Louis Public Schools educational film library