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Molluscs (Classification (Gastropods (Single spiral-shaped shell, Four…
Molluscs
Classification
Gastropods
Single spiral-shaped shell
Four tentacles
Single muscular foot
Bivalves
Shell, two valves
Single axe-shaped foot
Filter feeders
Cephalopods
Internal shell
They have tentacles
Mouth has beak
Soft body
Divided three parts:
Head
Visceral mass
Muscular foot
Covered with mantle
Produce a shell
Digestive system
Anus, mouth, glands
Developed brain
With sense organs
Have bilateral symmetry
Breathe through gills