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Across 2. The upward force exerted on water in the xylem in the plant's roots 7. Oxygen and glucose combine to produce carbon dioxide and water, provides ATP energy required in the cell 8. Energy moving molecules from low to high concentration 9. Small openings on the underside of the leaf that are surrounded by guard cells 10. Important because it holds green parts of the plants up to the sunlight 11. Attraction of water molecules to molecules of other substances 12. Various responses of plants to their environmental conditions 13. Carbon dioxide and water are combined to produce glucose and oxygen with the help of light energy 14. Round, loosely packed cells that exchange gases and water with the environment 18. Attraction of water molecules to other molecules 20. A response triggered by touch 24. Evaporation of water in the stomata during transpiration creates tension 25. Cytoplasm and the cell membrane shrinking away from the cell wall 27. Absorbs light energy from the sun 28. Living cells that carry sugars from leaves to other parts of the plant 29. A single layer of cells covering the leaf surface 30. Contains a green pigment called chlorophyll 31. Movement of water from high to low concentration through a semi-permeable membrane 32. Growth in response to light

Down 1. Long and narrow cells where photosynthesis occurs 2. Increase the surface area of the roots 3. The method by which materials are moved through the phloem 4. The osmotic pressure a solution will put on a membrane 5. A hormone that is transported to the area of elongation during phototropism 6. Pores formed from the slits in woody stems and mature roots 15. Part of sugar transport, load the phloem cells with sugar using active transport 16. Water vapour leaving the leaf through the stomata 17. Water pressure inside these cells pushes water and sugar through the phloem 19. Movement of particles from high to low concentration 21. Accumulates in the guard cells and stimulates water to enter the cell 22. Two of these cells surround the stomata and are able to open and close 23. Growth in response to gravity 26. Dead tissue that carries water and mineral from roots to leaves