Crossword Puzzle 1.5-1.6

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Across
  1. 2. most of these trees are flower-bearing, seed-producing plants
  2. 4. a good source of maple syrup
  3. 6. removing a ring of bark from a tree trunk
  4. 8. the tallest living trees in the world
  5. 9. plants that will come back for many years
  6. 12. plants that live only for two years
  7. 13. the fruit of the oak tree
  8. 14. a tall plant with a single woody stem
Down
  1. 1. most often spread by beetles that live within the tree's bark
  2. 3. this tree does not lose its leaves every year, and the leaves always look fresh and alive
  3. 4. the process of producing maple syrup and sugar
  4. 5. scientists who study trees
  5. 7. the part of a tree where growth takes place
  6. 10. a tree that loses its leaves in the fall
  7. 11. plants that live only for one year