Plants - Ch. 8 & 9
Across
- 3. Means "covered seed", cone-bearing plant
- 4. On either side of the stoma that regulates the size of the opening
- 5. Loosly packed cells that carry carbon dioxide, water vapor, and oxygen
- 7. Rings that form because the xylem grows differently at different times of the year
- 10. Occurs when a plant grows toward or away from a stimulus
- 12. Long chains of sugar
- 16. Small chemicals made by some plant tissues that affect how other plant structures grow
- 17. An opening in the underside of the leaf that allows gasses to move into and out of the leaf
- 21. Plants that bloom when the night is shorter
- 22. Causes shoots and stems to grow by causing their cells to enlarge
- 23. A layer of living cells just under the deaf cork
- 24. A vascular tissue that moves finished sugars out of the leaf
- 25. Plants that bloom whenever the conditions are right
- 26. Vascular tissue of a leaf
- 27. A waxy coating on plants that helps prevent water loss
Down
- 1. Thick-walled cells that support the plant
- 2. Plants that bloom when the night is longer
- 4. Means "bare seed", flowering plant
- 6. Plants whose vascular bundles are found in a ring around the outer portion of stem
- 8. A kind of pressure caused by the presence of water
- 9. A vascular tissue that moves water and nutrients into the leaf
- 11. Tightly packed cells that circulate chloroplasts
- 13. A young plant inside a seed
- 14. Causes cells to divide
- 15. Inhibits several plant hormones and prevents seeds from sprouting
- 18. Plants whose vascular bundles are evenly distributed throughout their stems
- 19. Tissue that conducts water and other material in some plants
- 20. A gas that causes fruit to ripen