Crossword Puzzle on Leaves, Stomatal Closure and Opening and Transpiration

2. type of plants that have no abscission
3. protects shoot apical meristem
5. type of mesohpyll on the upper part of leaf
6. type of mesohyll located on the lower part of leaf
8. triggers the activation of proton pumps
10. regulates the opening and closing of the stomata depending on the time of day
11. evaporation of water through the stomata or cuticle and has a cooling effect on the plant as heat is carried away by the evaporating water
15. if ______ is low,the stomata opensso that photosynthesis can continue
16. the most familiar type of leaf which is large, flat and green.
20. a set of cells, which may be parenchyma, collenchyma or sclerenchyma, that surround vascular bundles of a leaf
21. holds the blade out into the light and minimize shading of flowers
22. leaves that have no petiole
24. stomata is below the surface of the leaf,an area where the epidermis is depressed into the leaf with stomata
26. stomata remain closed during a prolonged drought

1. releases enzymes that weaken the cell walls
4. pigment that absorbs blue light strongly
7. release water from xylem and load sugar into phloem
9. the process of water movement through a plant and its evaporation from aerial parts
12. joins the lamina to the stem at a node
13. formed by adjacent undamaged cells that swell and become corky and covers the wound left by the fallen leaf to protect the plant from pathogens
14. the tissues between upper and lower epidermis
17. process in which higher solute concentration inside the central vacuole of the guard cells causes water from the epidermal cells surrounding the guard cells move into the guard cells
18. shoot is still young and small
19. are tiny openings or pores in plant tissue that allow for gas exchange
23. the expanded, light-harvesting and CO2- absorbing part of a leaf
25. usually consists of a single layer of parenchyma cells