Animal Life Cycle

Duration: 33

Creator: CRM/McGraw-Hill Films

Format: 16mm

Color: Color

Description: Describes the development of the sea urchin from fertilized egg to pluteus larva and metamorphosis into the adult. Shows the reproduction experiments with sea urchins possible in a laboratory. Defines development and diagrams its phases in the sear urchin. Points out that the sea urchin is now a popular laboratory animals scientist attempt to discover the how and why of development processes. Encourages further student research on the sea urchin in the classroom, as well as reading articles in scientific magazines, and investigating marine biology stations in the United States.


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