Animal classification

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Across
  1. 3. what type of fish is Nemo?
  2. 5. the only animal to have feathers
  3. 7. a grey mammal with big ears and tusks
  4. 10. a scaly reptile that hisses
Down
  1. 1. the animals that drink milk when they are babies
  2. 2. animals that are born in water but develop lungs to breathe
  3. 4. animals that live in water and have fins
  4. 6. cold blooded animals with scaly skin and live on land
  5. 8. a large bird of prey
  6. 9. a small amphibian with bumpy skin that croaks