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