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8
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12
13

Across 1. example of bivalves 4. the interior substance 8. also called stomach-foots 9. example of gastropods 11. the animal captured 12. an example of cephalopods 13. to protect themselves

Down 2. used to move around 3. group of molluscs. has two shells 5. groups of molluscs that lives in water 6. a tongue for biting and chewing 7. invertebrates class 10. layer that surrounds the internal organs