Chapter 8, Sections 1-3

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Across
  1. 4. the seed _____ protects the seed
  2. 7. carbon ________ enters a plant; used for photosynthesis
  3. 8. contain horn-shaped sporophytes
  4. 11. the nutrient obtained from the soil
  5. 14. type of algae that may be the ancestors of plants
  6. 15. vascular tissue that brings water from roots to the whole plant
  7. 16. life cycle stage that produces spores
  8. 20. needle-like branches that grow in a circle
  9. 21. seedless, vascular mosses known as princess pines
  10. 22. the leaves of a fern
  11. 23. tissue in stems that produces xylem and phloem
  12. 25. the green pigment in plants
  13. 27. a plant's means of surviving on land
  14. 28. a rigid stem
  15. 29. grains that later become sperm cells
  16. 32. a soft stem
  17. 33. contains the tissue that becomes a young plant
  18. 35. life cycle stage that produces gametes
  19. 37. structures in mosses to soak up nutrients
  20. 38. anchors of the plant
  21. 39. tell the age of a tree; made of xylem tissue
Down
  1. 1. waxy covering of leaves that reduces water loss
  2. 2. number of chromosome sets in a gametophyte
  3. 3. low-growing plants that lack xylem and phloem
  4. 5. number of chromosome sets in a sporophyte
  5. 6. xylem and phloem are this type of tissue
  6. 9. the gas that exits a plant
  7. 10. contained in a seed that develops into a young plant
  8. 12. the autotrophs that are eukaryotes and contain cell walls
  9. 13. a fertilized egg
  10. 16. openings in a leaf that allow gases to enter and exit
  11. 17. vascular tissue that brings sugar from leaves to the whole plant
  12. 18. form of reproduction that produces a zygote
  13. 19. the root ______ protects the root
  14. 24. contain a stalk with capsule as the sporophyte
  15. 25. seed leaves that provide food for the embryo
  16. 26. seedless, nonvascular plants shaped like a liver
  17. 30. when a seed grows from an embryo and lives in its environment
  18. 31. the seedless, vascular plants often used for decorations
  19. 34. gametes in a plant include the sperm and _____ cells
  20. 36. when water evaporates from a plant's leaves