Chapter 7 - Cry of the Wolf

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Across
  1. 4. A system formed by the interaction of living and non-living things.
  2. 7. No longer existing anywhere on Earth.
  3. 8. At serious risk of extinction.
  4. 10. The natural home of a living organism.
Down
  1. 1. An animal that hunts and eats other animals.
  2. 2. Bringing back a species into its former habitat.
  3. 3. A state of stability in nature where species and environment support each other.
  4. 5. The animal that is hunted by another for food.
  5. 6. The act of protecting and preserving nature and wildlife.
  6. 9. A public disagreement or heated debate.