Across
- 1. a plant with a flowering cycle that is not sensitive to periods of light and dark
- 4. the sprouting of the embryo from a seed that occurs where the embryo resumes growth
- 5. the leaf of fern
- 6. a plant that flowers when the night are shorter than the plant's critical night length
- 8. a flowering plant that lives for more than two years
- 9. an angiosperm with one seed leaf
- 11. the number of hours of darkness that determines whether or not a plant will flower
- 12. the internal transporting tissue in some plants that is made up of tubelike structure
- 14. a colorful, leaflike structure of some flowers
- 18. a chemical in an organism that produces a specific effect such as growth and development
- 21. the transfer of pollen from male reproductive structure to female reproductive structures in plants
- 22. a plant hormone that speeds
- 23. tiny particles produced by seed plants that contain the cells that later become sperm cells
- 27. plant a plant that has true vascular tissue
- 30. a flower structure that encloses and protects ovules and seeds as they develop
- 31. the reproductive structure of a gymnosperm
- 33. the stage in the life cycle of a plant in which the plant produces spores
- 35. a plant that produces seeds that are note enclosed by a protective fruit
- 37. a plant's response to seasonal changes in length of night and day
- 39. the ripened ovary and other structures of an angiosperm that encloses one or more seeds
- 40. a young plant that develops from the zygote
- 41. the female reproductive part of a flower
- 42. the reproductive structure of an angiosperm
- 44. an angiosperm with two seed leaves
Down
- 2. a flowering plant that produces seeds enclosed in a protective structure
- 3. cap a structure that covers the tip of a root, protecting the root from injury
- 7. a low-growing plant that lacks true vascular tissue
- 10. the waxy, waterproof layer that covers the leaves and stems of most plants
- 13. the plant structure that contains a young plant inside a protective
- 15. a period when an organism's growth or activity stops
- 16. a leaflike structure that enclosed the bud of a flower
- 17. a layer of cells in a plant that produces new phloem and xylem cells
- 19. a flowering plant that completes its life cycle in two growing seasons
- 20. a seed leaf
- 22. a flowering plant that completes its life cycle in one growing season
- 24. a structure that contains an egg cell
- 25. a plant that produces seeds that are not enclosed by a protective fruit
- 26. the vascular tissue through which food moves in some plants
- 28. a plant that flowers when nights are longer than the plant's critical night length
- 29. the process by which water is lost through a plant's leaves
- 32. a fertilized egg, produced by the joining of a sperm and an egg
- 34. the vascular tissue through which water and nutrients move
- 36. the growth response of a plant toward or away from a stimulus
- 38. a male reproductive part of a flower
- 43. a thin, rootlike structure that anchors a moss and absorbs water and nutrients