Demonstrates how the crayfish is adapted to live in water and shows the life cycle of the crayfish from fertilized egg to adult.
Encyclopedia Britannica, 331 N. LaSalle St., Chicago, IL 60610, Phone: (312)347-7159, Toll-free: 800-323-1229, Fax: (312)294-2104, URL: http://www.britannica.com
Available on VHS
Running time 10 minutes.
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