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