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A body covering, typically made of chitin, that provides support and protection.<ref>Wile, Dr. Jay L. ''Exploring Creation Through General Science''. Anderson: Apologia Educational Ministries, Inc.
A body covering, typically made of chitin, that provides support and protection.<ref>Wile, Dr. Jay L. ''Exploring Creation With General Science''. Anderson: Apologia Educational Ministries, Inc.
2000</ref>
2000</ref>