Uni/Bi Crossword

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Across
  1. 2. one of a kind;unusual or rare
  2. 5. to join together into one group
  3. 6. happening every two years
  4. 8. one group
  5. 11. an airplane with two pairs of wings
  6. 13. a vehicle with two wheels
  7. 15. happening every two months
  8. 17. having two different colors
  9. 18. one sided
  10. 19. an instance of saying the same words or sounds at the same time;a group that sounds like one
Down
  1. 1. a two pointed tooth located in the side of the jaw
  2. 3. having only one cell
  3. 4. able to speak two different languages
  4. 7. a two footed creature
  5. 9. happening every two weeks
  6. 10. moving in only one direction
  7. 11. eyeglasses with lenses that have two different sections for seeing close up and far away
  8. 12. a horse like fabled animal that has one horn growing out of the middle of its forehead
  9. 14. a one piece leotard and tights combination
  10. 16. a one wheeled vehicle on which the rider sits and pedals