Across
- 5. Small openings, or pores, in the surface layers of a leaf
- 9. The transfer of pollen from male reproductive structures to female reproductive structures of a flower
- 11. Protects seeds as they develop
- 15. Occurs when the embryo begins to grow again and pushes out of the seed
- 16. The young plant that develops from the zygote, or fertilized egg
- 18. Occurs when a sperm cell of a plant unites with an egg cell
- 19. Leaflike structure that encloses a flower while it is still a bud
- 20. Female reproductive parts of a flower
- 21. Male reproductive parts of a flower
Down
- 1. The ripened ovary and other structures of a plant that contain seeds
- 2. Flowering plants that live for more than two years
- 3. Generally the most colorful parts of a flower
- 4. A fertilized egg
- 5. Stage of plant reproduction where the plant produces spores or seeds
- 6. The reproductive structure of an angiosperm
- 7. Reproductive structures in gymnosperms that are covered with scales
- 8. The process by which water evaporates from a plant's leaves
- 10. Flowering plants that complete a life cycle within one growing season
- 12. A structure of a plant that contains an egg cell
- 13. Angiosperms that complete their life cycle in two years
- 14. Protects the root from injury as the root grows through the soil
- 15. Stage of plant reproduction where the plant produces sperm cells and egg cells
- 17. A layer of cells which divides to produce new phloem and xylem