- 1. What is the hard outer covering of a clam called?
A) Carapace B) Chiton C) Shell D) Exoskeleton
- 2. How many shells does a clam have?
A) Two B) Three C) Four D) One
- 3. What body part of a clam is used to dig and move in the sand?
A) Foot B) Siphon C) Gill D) Tentacle
- 4. Which of the following is not a color that clams can be?
A) Purple B) Blue C) White D) Brown
- 5. What is the scientific class of clams?
A) Mollusca B) Gastropoda C) Bivalvia D) Cephalopoda
- 6. What do clams filter from the water to feed?
A) Fish B) Algae C) Plankton D) Sand
- 7. What is the largest clam species in the world?
A) Geoduck B) Razor clam C) Quahog D) Giant clam
- 8. What do clams use to create new shell material and repair damage?
A) Keratin B) Silica C) Chitin D) Calcium carbonate
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