- 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) One
B) Four
C) Two
D) Three
- 3. What body part of a clam is used to dig and move in the sand?
A) Gill
B) Foot
C) Siphon
D) Tentacle
- 4. Which of the following is not a color that clams can be?
A) White
B) Blue
C) Brown
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) Plankton
B) Algae
C) Fish
D) Sand
- 7. What is the largest clam species in the world?
A) Giant clam
B) Razor clam
C) Geoduck
D) Quahog
- 8. What do clams use to create new shell material and repair damage?
A) Silica
B) Calcium carbonate
C) Keratin
D) Chitin
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