Mollusks (like squids and snails) have soft bodies, often with shells, bilateral symmetry, open circulatory systems, and distinct body parts including a head-foot, visceral mass, and mantle.
Mollusks (e.g., Squids, Snails) have soft bodies often protected by shells, an open circulatory system with hemocoels, bilateral symmetry, distinct body zones (head-foot, visceral mass, mantle), a radula, and typically gills and nephridia.
| Front | Mollusks (Squids, Octupi, Slugs, Clams, Snails) |
|---|---|
| Back | - soft body protected by shell - open circulatory system with hemocoels or sinuses - bilateral symmetry - head-foot, visceral mass, and mantle body zones - tongue-like radula - most have gills and nephridia |
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