Chapter 7 vocab

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Across
  1. 2. The leaf of fern plant.
  2. 6. A chemical that affects growth and development.
  3. 7. A thin, rootlike structure that anchors a moss and absorbs water and nutrients for the plant.
  4. 8. An angiosperm that has two seed leaves.
  5. 9. cap A structure that covers the tip of a root, protecting the root from injury as the root grows through soil.
  6. 12. plant hormone that speeds up the rate at which a plant's cell grows and controls a plant's response to light.
  7. 13. The reproductive structure of a gymnosperm.
  8. 15. The vascular tissue through which water and minerals move in some plants.
  9. 17. A leaflike structure that encloses and protects the bud of a flower.
  10. 18. A green photosynthetic pigment found the choroplasts of plants, algae, and some bacteria.
  11. 21. The plant structure that contains a young plant and a food supply inside a protective covering.
  12. 23. The sprouting of the embryo out of a seed.
  13. 25. A flowering plant that completes its life cycle in two years.
  14. 26. A flowering plant that completes its life cycle in one growing season.
  15. 27. Compressed layers of dead sphagnum mosses that accumulate in bogs.
  16. 28. The waxy, waterprooof layer that covers the leaves and stems of most plant.
Down
  1. 1. Tiny structure produced by seed plants that contain the cell that later becomes a sperm cell.
  2. 3. The ripened ovary and other structures of an angiosperm that enclose one or more seeds.
  3. 4. An angiosperm that has only one seed leaf.
  4. 5. A fertilized egg, produced by the joining of a sperm and an egg.
  5. 8. A period of time when an organisms growth or activity stops.
  6. 10. A plant structure in seeds plants that produces the female gametophyte.
  7. 11. A group of similar cells that perform a specific function.
  8. 14. A flower structure that encloses and protects ovules and seeds as they develop.
  9. 16. The reproductive struccture of an angiosperm.
  10. 19. Compressed layers of dead sphagnum mosses that accumulate in bogs.
  11. 20. The female reproductive par of a flower.
  12. 21. A small opening on the underside of a leaf through which oxygen, water, and carbon dioxide can move.
  13. 22. A colorful, leaflike structure of some flowers.
  14. 24. A sac-like organelle that stores water, food, and other materials.