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Which superphylum does Phylum Mollusca belong to?
Superphylum Lophotrochozoa
Describe the body plan molluscs have.
Soft bodies, usually encased in a hard shell made of calcium carbonate.
What kind of a coelom do molluscs have?
A reduced coelom
What is a foot?
A muscle used for movement
What is a viceral mass?
The part of the mollusc that contains most of the internal organs
What is the mantle?
A fold of tissue that drapes over the visceral mass and secretes a shell
What is a mantle cavity?
A water-filled chamber that houses the gills, anus, and excretory pores
What is a radula?
A tongue-like feeding organ in the mouth that hosts a belt of backwards-curved teeth
What kind of a digestive system do they have?
Complete, differentiated
Name molluscs' respiratory mechanism.
Gills
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