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