| − | A '''bivalve''' is a [[mollusc]] belonging to the class ''[[Bivalvia]]'', including [[clam|clams]], [[oyster|oysters]], and [[scallop|scallops]].<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia Educational Ministries, Inc. 1998</ref> Bivalves are found worldwide in aquatic habitats, including many freshwater varieties. | + | A '''bivalve''' is a [[mollusc]] belonging to the class ''[[Bivalvia]]'', including [[clam]]s, [[oyster]]s, and [[scallop]]s.<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia Educational Ministries, Inc. 1998</ref> Bivalves are found worldwide in aquatic habitats, including many freshwater varieties. |
| | The word '''bivalve''' means having two shells. The two bivalve shells are hinged together at one place and can be closed tightly by a powerful muscle, the ''adductor.'' | | The word '''bivalve''' means having two shells. The two bivalve shells are hinged together at one place and can be closed tightly by a powerful muscle, the ''adductor.'' |