Let's protect animals

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Across
  1. 1. to look for animals and kill them
  2. 3. in nature, not controlled by people
  3. 4. animals that kill other animals
  4. 6. doesn't exist anymore, all dead
Down
  1. 1. the place where an animal usually lives
  2. 2. to keep safe from danger
  3. 4. an animal that other animals kill to eat
  4. 5. a kind of animal or plant