(7th) Life Science - Chapter 8A-B Vocabulary

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Across
  1. 2. A thick-walled cell that helps support a plant.
  2. 4. The loosely packed cells in a plant leaf that allow gases to move easily to the palisade layer.
  3. 6. Another name for nonvascular plants.
  4. 7. Conducts water and other materials in some plants.
  5. 8. A vascular tissue that moves finished sugars out of the leaf.
  6. 9. Waxy coating that helps prevent water loss in plants.
  7. 10. The rings in a woody stem that result from different growth rates of xylem at different times of the year.
  8. 12. The tightly packed cells in a plant leaf that make most of the plant's food.
  9. 15. Openings in the underside of the leaf that allow gases to move in and out of the leaf.
  10. 16. The young plant that grows into a new sporophyte.
  11. 17. The underground stem in most ferns.
  12. 18. The lower part of a bryophyte that is green and leafy with rhizoids.
  13. 20. Plants that have vascular bundles evenly distributed throughout their stems.
  14. 21. A kind of cellular organelle, such as chloroplasts.
  15. 22. Their seeds are not fully covered and include pine trees, cycads, and ginkgoes.
  16. 24. A vascular tissue that moves water and nutrients into the leaf.
Down
  1. 1. The vascular tissue of a leaf; a type of vascular bundle.
  2. 3. A kind of pressure caused by the presence of water inside a plant's central vacuoles.
  3. 5. Long chains of sugar that make plant cell walls.
  4. 11. Their seeds are fully covered by a fruit; "flowering plants."
  5. 13. The part of a bryophyte that has the capsule and stalk; used in making spores.
  6. 14. A layer of living cells just under the dead cork.
  7. 19. Plants whose vascular bundles are found in a ring around the out part of the stem.
  8. 23. A structure produced by some plants to protect the embryo.