Should zoos exist?

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Across
  1. 1. Zoos keep many different _______ of animals.
  2. 6. Poaching, climate change and ________ are threats to the survival of the animals today.
  3. 8. Animals should remain in the wild rather than in _______.
  4. 11. Zoos can protect animals from becoming ________.
  5. 12. Some zoos don't have the _______ to properly care for the animals.
  6. 13. This is the longest operating zoo in the world.
Down
  1. 2. Some zoos keep animals in small _________.
  2. 3. Some people think that animals should be in their natural ________.
  3. 4. The word 'zoo' is the short form of ________.
  4. 5. Zoos help to protect ________ animals.
  5. 7. Zoos help educate the public about _______.
  6. 9. The zoo has successfully helped the _______ condor from disappearing.
  7. 10. Zoos have ______ programmes to help animals reproduce.