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9.3 Molluscus
| Term | Definition |
|---|---|
| Mantle | The semiliquid region between the crust and the core of Earth - the outer layer of tissue that secretes the shell of molluscs |
| Molluscs | as you have learned, molluscs are a diverse group of organisms. they occupy a variety of habitats and ecological niches |
| biofouling | unwanted settlement of organisms on submerged surfaces of boats, pilings, and other structures |
| Radula | The ribbon-like band of teeth of molluscs |
| ganglion | (pl.ganglia)clusters of nerve cells in gastropods and bivalves |
| crystalline style | an enzyme-releasing rod in the stomach of bivalves |
| pen | the reduced, thin shell of squids |
| veliger | a planktonic larva in gastropods and bivalves |