Plant anatomy

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Across
  1. 1. A protective layer of cells covering the tip of the root to shield it as it pushes through the soil.
  2. 3. Microscopic pores on the underside of the leaf that open and close to allow gas exchange.
  3. 6. The space or distance on the stem between two consecutive nodes.
  4. 7. A hard, rigid, bark-covered stem that survives cold winters.
  5. 9. Vascular tissue that transports water and dissolved minerals upward from the roots to the leaves.
  6. 11. The outermost protective layer of cells on roots, stems, and leaves.
  7. 13. Tiny, microscopic extensions of root epidermal cells that drastically increase surface area for water absorption.
  8. 17. Vascular tissue that transports sugars and food downward from the leaves to the rest of the plant.
  9. 18. The jelly-like fluid that fills the cell and suspends the organelles.
  10. 19. The green pigment inside chloroplasts that traps light energy.
  11. 20. The top sack of the stamen that produces and contains pollen grains.
  12. 22. The broad, flat main portion of a leaf where the majority of photosynthesis occurs.
  13. 23. The swollen base of the pistil containing ovules; turns into the fruit after fertilization.
  14. 24. A pair of specialized crescent-shaped cells that control the opening and closing of the stomata.
  15. 26. The specific point on a stem where leaves, buds, or branches originate.
  16. 27. The complete female reproductive organ of a flower, consisting of the stigma, style, and ovary.
  17. 29. The sticky top surface of the pistil that catches incoming pollen grains.
  18. 30. A layer of actively dividing cells responsible for the secondary lateral growth of woody stems.
  19. 33. The primary storage tissue in the root located between the epidermis and the vascular system.
  20. 34. The complete male reproductive organ of a flower, consisting of the anther and filament.
  21. 35. The middle tissue layers of a leaf packed with chloroplasts where active photosynthesis happens.
  22. 37. The semi-permeable membrane inside the cell wall; controls what enters and exits the cell.
Down
  1. 2. The process by which water vapor evaporates out of a plant's leaves through the stomata.
  2. 4. A massive storage sac inside the cell that holds water and nutrients; maintains turgor pressure to keep the plant upright.
  3. 5. The leaf-like structures at the base of a flower that protect the budding flower before it opens.
  4. 8. A highly branched, shallow mat of roots with no single main root.
  5. 10. The slender stalk that supports and holds up the anther.
  6. 12. The brightly colored structures of a flower designed to attract pollinators.
  7. 14. The elongated tube connecting the stigma down to the ovary.
  8. 15. The rigid outer layer of a plant cell made of cellulose; provides structural support and protection.
  9. 16. The control center of the cell that houses the plant's DNA.
  10. 21. A soft, green, flexible stem that typically dies back to the ground in winter.
  11. 25. The internal water pressure against the cell wall that prevents the plant from wilting.
  12. 28. A root system featuring one main, deep primary root with smaller lateral roots branching off.
  13. 30. The organelle where photosynthesis takes place; contains chlorophyll to absorb sunlight.
  14. 31. The small stalk that attaches the leaf blade to the main stem.
  15. 32. A waxy, waterproof coating on the leaf surface that prevents excessive water loss.
  16. 36. The structure inside the ovary that develops into a seed after successful pollination.