Animals

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Across
  1. 3. Most of the mammals are covered with it
  2. 6. Most of the animals lay them
  3. 7. Considered the most interesting group of animals because some can live on land and in water at the same time
  4. 11. It keeps birds warm
Down
  1. 1. Humans have mouths, Birds have...
  2. 2. Wild black-white animal
  3. 3. Their meat includes a high level of protein
  4. 4. The name of this group means an animal that crawls or moves on its belly.
  5. 5. Humans are in this animal group
  6. 8. The fish's body is covered with it
  7. 9. Only this group of animals can fly
  8. 10. Birds lay eggs in it