Science Study Guide Test 4

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Across
  1. 4. the smallest of all green plants
  2. 9. has attractive reddish wood with an oil that produces a pleasant fragrance
  3. 10. plant that lives for two years and then dies
  4. 12. an attractive tree with frosty needles, often planted as an ornamental
  5. 13. rings age of a tree can be determined by counting what?
  6. 14. a plant that has fronds and produces spores instead of seeds
  7. 16. trees that lose their leaves in the fall
  8. 18. scientists who study trees
  9. 21. trees that bear cones instead of flowers
  10. 22. green plants that have no true leaves, stems, or roots
  11. 23. plant with a fruiting body
Down
  1. 1. a tall plant with a single wood stem
  2. 2. fungi that feed on dead matter
  3. 3. largest kind of tree
  4. 5. a fungus and an alga working together as one plant form
  5. 6. the only conifers with bundles of needles
  6. 7. pine that grows in the hot, dry climate of the southwestern states
  7. 8. growth in a tree takes place in what layer immediately under bark
  8. 11. plant that does not die after one season of growth but continues to live and grow for many seasons
  9. 15. created to live without chlorophyll
  10. 17. tallest kind of tree (California)
  11. 19. single cells that some plants produce instead of seeds
  12. 20. fungus that converts sugar into alcohol and carbon dioxide
  13. 24. roots of fern