Across
- 2. Grains that later become sperm cells (gametophytes)
- 4. Plants that transport water and nutrients
- 9. A soft stem
- 12. Openings in leaves where gases are exchanged
- 13. Occurs when a seed begins to grow and live in its new environment
- 14. Stage of a plant's life cycle that has 1 set of chromosomes and produces gametes
- 15. Low-growing plants that do not have the means to transport nutrients
- 20. Tissue that forms the "rings" in trees
- 21. A rigid stem
- 23. Tissue in stems that produces new xylem and phloem
- 24. Develops into a young plant
- 25. A fertilized egg
- 26. Plants use this to retain water.
- 27. Mosses use these to soak up water from the soil
- 28. Contain the tissues to form a young plant (sporophyte)
Down
- 1. Leaves that provide food for the embryo
- 3. Occurs when water vapor exits a plant's leaves
- 5. Color of algae that may have plant-like characteristics
- 6. The root ______ protects the root in the ground.
- 7. Plants are __________ if they have ways of living on land.
- 8. The large leaves of a fern
- 10. Autotrophic eukaryotes that contain cell walls
- 11. A hornwort's sporophyte is in the shape of this.
- 16. A liverwort's gametophyte is in the shape of this.
- 17. Stage of a plant's life cycle that has 2 sets of chromosomes and produces spores
- 18. Vascular tissue that moves water from the roots to the whole plant
- 19. Vascular tissue that moves sugar and minerals from the leaves to the whole plant
- 22. These were used as scrub brushes in Colonial America
- 23. The outer layer of a seed: the seed _______