Across
- 2. in a flower, one of the outermost rings of modified leaves that protect the flower bud
- 6. Moist, loosely packed layer of cells containing chloroplasts.
- 8. Evaporation of water from the leaves of a plant
- 10. Single layer of cells on the upper and lower surfaces of a leaf. Do not contain chloroplasts.
- 14. The transfer of pollen from male reproductive structures to female reproductive structures in plants
- 15. Structure in a plant that contains xylem tissue and phloem tissue.
- 18. A directional growth of a plant in response to touch.
- 19. response of a plant to the force of gravity
- 20. study of plants
- 21. type of vascular tissue that carries nutrients and food from place to place inside the cell
- 22. The part of a flower that contains ovules.
- 25. Sticky portion at the top of the style, where pollen grains land
- 26. Small openings on the underside of a leaf through which oxygen and carbon dioxide can move
- 27. Plants
- 28. Pith, xylem, cambium, phloem, cortex, epidermis
- 30. plant stem structure that contains xylem and phloem tissue
- 31. the male reproductive organ of a flower
- 32. strong, hard, usually brown stem that can support tall plants
- 33. vascular tissue that carries water upward from the roots to every part of a plant
Down
- 1. The female reproductive part of a flower
- 3. A plant's response to seasonal changes in length of night and day
- 4. the points at which leaves are attached
- 5. chemical substances that are made by plants and that affect how plant tissues grow
- 7. A structure that develops within the ovary of a seed plant and contains the female gametophyte.
- 9. A colorful, leaflike structure of some flowers
- 11. A plant's response to light
- 12. Vascular bundles are often supported by thick-walled cells
- 13. the tiny granules that contain the male gametophyte of seed plants
- 16. root system made up of one large root and many small, thin roots
- 17. A root system made up of many roots that are about the same size
- 23. the layer of cells in a leaf where most photosynthesis occurs
- 24. The two cells that flank the stomatal pore and regulate the opening and closing of the pore.
- 29. A growth response that results in the curvature of whole plant organs toward or away from stimuli owing to differential rates of cell elongation.