Biology Christmas Crossword

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Across
  1. 2. good source of calcium in a glass
  2. 4. has the Latin name Ilex
  3. 5. Santa will have to look after this with regular exercise
  4. 6. what reindeers like to eat
  5. 8. used by reindeers for displaying
  6. 11. what Santa may get if he gets too fat on mince pies
  7. 13. Christmas trees that don't drop their leaves
  8. 14. plant gathered from trees brings people together
  9. 16. these will be slowed by too much drink
  10. 19. pointed and found on an elf head
  11. 20. shines brightly in the dark
  12. 21. thick insulation for Santa's head
  13. 22. has the Latin name Hedera
  14. 23. elven police may ask Santa for a sample of this
Down
  1. 1. elven police may ask Santa for a sample of this
  2. 3. found in the sherry, thins Santa's blood
  3. 7. where Santa lives (5,4)
  4. 9. provide Santa with a clue when the chimney is hot
  5. 10. vegetable left out for Rudolph
  6. 12. difficult to control in cold places
  7. 15. Santa will have to be careful not to drink too much of this
  8. 17. a cone-bearing tree
  9. 18. how Santa gets about