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