Hort Review 1

6. A waxy layer that protects the leaf from dehydration and dehydration
8. This vascular tissue transports food from leaves down to the roots
13. This root helps plants climb along surfaces or provide a plant with more support
15. The duration of day length; the amount of light vs dark time
16. The part of the leaf that connects it to the stem
17. In the ____ zone, the root creates new root cells
18. Plant food is converted into energy for the plant to use
19. A modified leaf that is often brightly colored and may look like petals
20. _____ cells open and close to let gases in and out of the leaf

1. The process of converting carbon dioxide, water, and light to sugar and oxygen
2. The study, cultivation, and marketing of flowers and ornamental plants
3. The way a plant bends or grows in response to touch
4. Results in softer, whiter plant material as a result of growing in darkness
5. The science, art, technology, and business of fruit, vegetable, flowers, turfgrass, and ornamental plants
7. Where in a cell does photosynthesis primarily take place
9. The middle layer of the leaf
10. An adventitious shoot that forms from root tissue; they should be cut because they can pull nutrients from the main plant
11. Plants absorb light from 400-700 ______
12. This root anchors deep in the soil with a main primary root that sends out lateral roots
14. A modified, flexible shoot that wraps around material for support