Mad Dogs Puzzle

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Across
  1. 3. Doing well
  2. 7. Something strengthened by something else
  3. 9. A single person or thing
  4. 12. Alone, lonely, by itself
  5. 13. Too much to handle
  6. 14. Someone who is assaulting someone else
  7. 15. A normal tendancy to act in a way vital to a species' survival
Down
  1. 1. When something is modified for a different use
  2. 2. To go faster
  3. 4. Something that doesn't always happen, out of the ordinary
  4. 5. Noticeable
  5. 6. When two things are joined together
  6. 8. To encircle someone or something
  7. 10. Anger aroused by injustice, unworthiness, or unfairness
  8. 11. Very small