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Clam and bivalve Mousepads and Gifts |
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More About Clams and bivalves ...
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Clams can be hard-shelled or soft-shelled. The digestible portion of the clam consists of muscles, which allows it to open and close its shell. For example, the siphon is used to take in water. Moreover, the foot is used to thrust itself through the sand.
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Source: Wikipedia Read more about Clams and bivalves
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