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