Endangered Elephants

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Across
  1. 3. surviving under certain conditions
  2. 5. the natural home or environment of an animal, plant, or other organism
  3. 8. a group of living organisms consisting of similar individuals
  4. 10. a hard creamy-white substance composing the main part of the tusks of an elephant, walrus, or narwhal
  5. 11. a period of ten years
  6. 13. warning that causes someone to do something
Down
  1. 1. seriously
  2. 2. to threaten with extinction
  3. 4. damage to something so it can’t be used again
  4. 6. cause (someone or something) to be vulnerable or at risk; endanger
  5. 7. a broad strip or area of something
  6. 9. catching and killing animals illegally
  7. 12. an official count or survey of a population