What do people do?

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Across
  1. 4. for treature
  2. 5. elephant
  3. 6. baby
  4. 9. trees
  5. 10. kangaroo
Down
  1. 1. cat
  2. 2. monkey
  3. 3. eggs
  4. 6. Mum
  5. 7. kids
  6. 8. sheep