Nature

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Across
  1. 2. situation where animals or plants might soon disappear
  2. 3. a group of plants or animals that share similar characteristics
  3. 5. a situation where animals are kept in a zoo
  4. 6. the natural environment of an animal or plant
  5. 7. no longer existing
Down
  1. 1. the protection of nature
  2. 4. to illegally catch or kill animals