Across
- 2. The leaf of a fern plant.
- 4. The region between nodes on a plant stem.
- 5. The point on a plant stem where leaves are produced.
- 7. In plants, the tissue that transports water and nutrients throughout the plant.
- 10. The diploid stage in the alternation of generations life cycle of plants during which spores are produced.
- 15. A structure within a plant seed that nourishes the developing embryo and may, upon germination of the seed, become the seedling's first leaves.
- 16. The leaflike structure that protects a flower bud during formation and supports the flower after blooming.
- 18. Any plant lacking tissues that can transport water.
- 20. A structure in a plant ovary that contains the egg cell and will mature into a seed.
- 22. A plant that produces flowers and fruits.
- 23. In plants, the type of vascular tissue that transports water and dissolved minerals from the roots to the rest of the plant.
- 25. A ripened plant ovary that contains seeds.
- 26. In woody plants, a thick, tough layer of dead epidermal cells that support the weight of the plant.
- 30. A root system consisting of many small roots that come directly from a stem.
- 32. Any flowering plant whose embryo has one cotyledon.
- 36. Any flowering plant whose embryo has two cotyledons.
- 38. The stalk that connects a flower to the rest of the plant.
- 39. The haploid stage in the alternation of generations life cycle of plants during which gametes are produced.
- 41. Undifferentiated cells found in the fast-growing parts of plants, such as root tips and new leaves.
- 43. In plants, the outer layer of cells that usually lack chlorophyll and serve for protection, including the secretion of the cuticle.
- 47. cell A modified epidermal cell that opens and closes stomata in the leaves of plants.
- 48. A plant having tissues capable of transporting water.
Down
- 1. A plant reproductive strategy that includes alternating spore-forming and gamete-forming stages.
- 3. The waxy protective coating secreted by a plant's epidermal cells on the surface of plant stems, leaves, and fruits.
- 6. A root system consisting of a large, main root (the taproot), from which smaller roots branch.
- 8. An area of porous tissue in the surface of a woody plant stem that allows for gas exchange with the environment.
- 9. In plants, the fertilization of both the egg cell and the polar bodies, which later form the endosperm.
- 11. The beginning of growth by a seed, spore, bud, or other structure after a period of dormancy.
- 12. A plant that produces unenclosed seeds, usually in cones.
- 13. The thickened top portion of a pedicel that supports the actual parts of a flower.
- 14. A visible ring caused by yearly growth in the vascular cambium and seen in a cross-section of a woody stem.
- 17. Any of the tissues that do not consist of dermal nor vascular tissue.
- 19. A layer of meristematic cells that replace the epidermis in woody plant stems.
- 21. A layer of meristematic cells located between the xylem and phloem in the woody stems of plants.
- 24. The stored food inside a plant seed.
- 27. A nonvascular plant including mosses, hornworts, and liverworts.
- 28. A structure on the underside of a fern frond that houses and protects the fern's sporangia.
- 29. The spongy ground tissue located in the center of a plant stem.
- 31. A small opening in the undersides of leaves that regulates gas exchange.
- 33. The female reproductive structure of a flower.
- 34. Any of the tissues that form the outer layer of a plant or other organism.
- 35. The small stalk that connects a leaf to the stem of a plant.
- 37. The male reproductive structure of a flower; produces pollen.
- 40. The type of vascular tissue in plants that transports food from the leaves to the rest of the plant.
- 42. The primary structural compound in plant cell walls, composed of long chains of glucose molecules.
- 44. The broad part of a plant leaf.
- 45. A flower structure located just inside the sepals and often large, conspicuous, and scented.
- 46. An undeveloped shoot located at a node on a plant stem.