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