NRT Crossword I

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Across
  1. 2. The return of a population of forest plant to an area from which they have previously been destroyed or removed.
  2. 8. A group of cells that contribute to a particular life function.
  3. 9. The loss of topsoil due to the forces of wind or flowing water.
  4. 11. Loss of water to the atmosphere from the leaf surfaces of plants.
  5. 12. The flat part of a leaf; usually green or red in color.
  6. 17. A class of tree that produces seeds inside an ovary or fruit; a flowering tree.
  7. 18. A young tree that is more than 3' in height and up to 4" in diameter.
  8. 20. A plant that converts solar energy and other plant nutrients to starches and sugars.
  9. 22. A woody tissue that conducts water with dissolved nutrients and plant materials from the roots to the stems and leaves.
  10. 27. One of several different layers in a soil profile.
  11. 29. A young tree that is in the very early stages of development.
  12. 30. An animal or other organism whose diet consists only of meat.
Down
  1. 1. The scientific study of trees.
  2. 3. The outer layer of cells that protect plant leaves, stems, flowers, seeds, and roots.
  3. 4. A layer of meristem tissue located between the wood and the bark of a tree from which new wood and bark are produced.
  4. 5. A tree that bears green leaves in all seasons.
  5. 6. The science of planting and managing forests for specific purposes such as timber production, conservation and so on.
  6. 7. A population of trees in a given location.
  7. 10. An unhealthy disorder that can be traced back to a specific cause.
  8. 13. Adapted to a water environment.
  9. 14. Vegetation and waste materials containing large amounts of vegetable matter that is rich in cellulose
  10. 15. The branch of biology that describes relationships between living organisms and the environments in which they live.
  11. 16. The basic unit of life.
  12. 19. Water found in or obtained from an aquifer.
  13. 21. The process of removing bark from a log.
  14. 23. A tree or shrub that produces cones containing seeds.
  15. 24. Organic matter in soil; a source of nutrients for soil organisms and plants.
  16. 25. A protective outer covering of root and stem tissues consisting of dead plant cells containing a waxy material.
  17. 26. A tree that is fully developed for a specific purpose; usually 10-24" in diameter.
  18. 28. The living environment of an organism.
  19. 31. The part of a flower that produces the ovule or egg cell.