Darwin

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Across
  1. 1. to choose
  2. 4. prance
  3. 7. capable of living
  4. 8. less dangerous
  5. 9. a drain or channel
  6. 10. swarming
  7. 11. purity
  8. 12. departure
Down
  1. 1. horizontal projection
  2. 2. adjust
  3. 3. enemy
  4. 5. fearless
  5. 6. forgiving