Animal classification

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Across
  1. 5. they use echolocation to find out where they are going
  2. 7. they lay eggs and have feathers
  3. 9. They do not have back bones
  4. 10. they produce natural milk
  5. 11. they have scales and are cold blooded
Down
  1. 1. they are can go on land and water
  2. 2. they eat plants
  3. 3. they eat meat
  4. 4. they have a back bone
  5. 6. they have antennas and multiple legs
  6. 8. they are only in water