- 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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