Unit 4.01 Crossword

2. The process by which plant roots take in water and air.
5. The response of plants to different amounts of light regarding their flowering and reproduction cycles.
9. is the tendency for plants to grow toward a light source
11. Plants produce much more__ through photosynthesis than they use through respiration.
12. Charlotte is in this hardiness zone
13. Water carries __ throughout the plant.
14. The plant process that increases plant numbers
15. Plants are categorized by zones based on the average __ temperature
16. When a plant rests or grows very little, if any
19. __ day plants, like poinsettia and azalea, require long nights to flower.
20. 90% of plant tissue is made mostly of this
21. The process by which plants lose water from leaves and stems through evaporation

1. The process by which food and nutrients are moved within a plant from one plant part to another
3. The process by which minerals and water enter the plant through cell walls
4. The process through which plant leaves, stems and roots consume oxygen and give off carbon dioxide.
6. The food and manufacturing process in green plants that combines carbon dioxide and water in the presence of light to make sugar and oxygen.
7. When a plant first starts to grow from a seed
8. When a plant produces flowers, seeds, and fruits
10. Having this, either too high or too low will have adverse effects
17. __ day plants, like African violets and spinach, require short nights to flower.
18. The number of main methods of reproduction