Topic: bivalve

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bivalve

The Columbia Encyclopedia, Sixth Edition
bivalve aquatic mollusk of the class Pelecypoda ( "hatchet-foot" ) or Bivalvia, with a laterally compressed body and a shell consisting of two valves, or movable pieces, hinged by an elastic ligament. Bivalves, which include clams, cockles, mussels, oysters, and scallops, are an important food source for humans, as well as for gastropods, fish, and shore birds. Bivalve Shells The two valves or a bivalve shell cover the right and left sides of the animal; they are hinged dorsally (above the body) and open ventrally (below the body). Usually the two valves are similar and equal in size,... Read more
bivalve
The Concise Oxford Dictionary of English Etymology bivalve XVII. f. BI- + VALVE . Read more
clam
The Columbia Encyclopedia, Sixth Edition clam common name for certain bivalve mollusks, especially for marine species ... water; the fertilized egg develops into a free-swimming larva without a shell, which ... There are two families of freshwater bivalves called clams. The small freshwater clams ... clam is sometimes used synonomously with ... Read more

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THD BiValve Gain Demo