Animal Classification

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Across
  1. 1. mammals have fur or _____
  2. 3. animal that has a constant body temperature
  3. 4. animal with a backbone
  4. 7. animal that has scales
  5. 8. animal that lives in water and uses gills to breathe
  6. 9. plant and animal _____
Down
  1. 2. animal with no backbone
  2. 5. animal that has wings and lays eggs
  3. 6. means two lives
  4. 10. animal that gives birth to live babies