- 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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