Pets

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Across
  1. 1. Which pet lives in an aquarium?
  2. 3. which pet meows?
  3. 4. Which pet runs on a wheel?
  4. 6. Which pet has wings?
Down
  1. 2. Which pet slithers to get around?
  2. 5. What pet has a cottontail?
  3. 7. Which pet barks?