biology vocabulary of chapter 31

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Across
  1. 2. The part of the plant responsible for supporting the leaves and reproductive structures
  2. 3. A modified leaf of a flowering plant that encloses and protects the flower bud before it opens
  3. 4. system All of a plant's stems, leaves, and reproductive structures are part of this
  4. 5. Part of the vascular system containing vessel elements that transports materials from the roots to the rest of the plant
  5. 6. This provides nourishment to the developing embryo in a fertilized seed
  6. 8. tissue A system formed by xylem and phloem throughout the plant; serves as a transport system
  7. 11. The outermost layer of the plant, covering leaves, young stems, and young roots
  8. 14. Pores in the epidermis of a leaf that allow gases to enter/leave the leaf
  9. 15. bud Embryonic tissue at the tip of a shoot made of developing leaves
  10. 16. A type of flowering plant whose embryos have a single seed leaf, and which has parallel veins, fibrous roots, and flower parts in groups of 3
  11. 17. A sac in which pollen grains develop at the tip of a flower's stamen
  12. 18. An integrated group of cells with a common function, structure, or both
  13. 20. The base of a carpel in which the egg-containing ovules develop
Down
  1. 1. A modified leaf. Often the colorful part of a flower that advertises pollen to pollinators
  2. 3. A pollen-producing male reproductive part of a plant
  3. 7. The delivery, by wind or animals, of pollen from the male parts of a plant to the stigma of a carpel on the female.
  4. 9. A plant that completes its life cycle in two years
  5. 10. A waxy coating on the surface of stems and leaves that helps retain water
  6. 12. sac The female gametophyte contained in the ovule of a flowering plant
  7. 13. The portion of the vascular system that conveys sap throughout a plant, made of sieve-tube members
  8. 19. The sticky tip of a flower's carpel, which traps pollen grains