Trees

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Across
  1. 3. Minnesota state tree
  2. 4. Small seed dropped by elm and maple trees
  3. 5. Bird that commonly builds nests in cottonwood trees
  4. 7. Seeds dropped from oak trees
  5. 9. Largest tree species in Minnesota
  6. 12. Sticky liquid inside a tree
  7. 14. Something trees provide to keep us cool
Down
  1. 1. What leaves on conifers are called
  2. 2. Tool used to cut down large trees
  3. 6. Tree species that predates dinosaurs
  4. 8. Part of a tree that grows below ground
  5. 10. Trees convert carbon dioxide into this
  6. 11. Conifer tree that sheds its leaves in fall
  7. 13. Outer layer on a trees trunk and branches