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Sea star
  • 1. What is another name for sea stars?
A) Seashell
B) Seahorse
C) Starfish
D) Seal
  • 2. How many arms do most sea stars have?
A) 10
B) 6
C) 8
D) 5
  • 3. What do sea stars use to move?
A) Claws
B) Tube feet
C) Fins
D) Tentacles
  • 4. Which ocean are sea stars commonly found in?
A) Arctic
B) Indian
C) Pacific
D) Atlantic
  • 5. What do sea stars primarily prey on?
A) Plants
B) Algae
C) Mollusks
D) Fish
  • 6. Which body shape do sea stars possess?
A) Bilateral symmetry
B) Asymmetry
C) Spiral symmetry
D) Radial symmetry
  • 7. What is the main threat to sea stars in recent years?
A) Pollution
B) Climate change
C) Overfishing
D) Sea star wasting disease
  • 8. Which organ helps sea stars to perform tube feet extension and retraction?
A) Water vascular system
B) Nervous system
C) Circulatory system
D) Digestive system
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