Comparing Different Types of Mollusks
Using what you
know about the three major classes of mollusks, complete the chart below by
checking the correct column or columns for each characteristic.
| Characteristic | Gastropod | Bivalve | Cephalopod |
| 1. Intelligent, well developed nervous system | |||
| 2. Has no distinct head | |||
| 3. Has an open circulatory system | |||
| 4. External shells present in some species | |||
| 5. Bite prey with beak | |||
| 6. Uses gills for respiration and food collection | |||
| 7. All species are carnivorous predators | |||
| 8. Uses a radula for feeding | |||
| 9. Can change color for camoflauge | |||
| 10. Can form pearls | |||
| 11. Use a type of jet propulsion for movement | |||
| 12. Has bilateral symmetry | |||
| 13. Has a two part hinged shell | |||
| 14. Is an invertebrate | |||
| 15. Has an internal shell called the pen |
Types of Mollusks Wordsearch
OCTOPUS | CLAM | SLUG | SQUID | OYSTER
NAUTILUS | NUDIBRANCH | SCALLOP
CUTTLEFISH | LIMPET | CHITON
Related Documents: Mollusk and Annelid Crossword | Notes on Mollusks