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