Across
- 8. A plant tissue characteristic of the roots, located between the endodermis and phloem.
- 9. Support tissue of living elongated cells with irregular cell walls. Has thick deposits of cellulose in their cell walls and appear polygonal in cross section.
- 12. The part of a vascular bundle consisting of sieve tubes, companion cells, parenchyma, and fibers and forming the food-conducting tissue of a plant.
- 13. Existing in many different forms; multiform.
- 15. A type of mycorrhiza, typical of temperate and Boreal trees, in which the fungus forms a layer on the outside of the roots of the plant.
- 16. Region of cells capable of division and growth in plants. Classified by their location in the plant as apical, lateral, and intercalary.
- 19. The most widespread and common type of mycorrhiza, in which the fungus lives within the cells of the roots of the plant.
- 21. Primitive element of xylem, consisting of a single elongated cell with pointed ends and a secondary, cellulosic wall thickened with lignin containing numerous pits but having no perforations in the primary cell wall.
- 23. The continuous system of protoplasts, linked by plasmodesmata and bounded by the cell wall.
- 25. A group of cells that will develop into a leaf, seen as small bulges just below the shoot apex.
- 27. An act of cutting off; the process by which plant parts, such as leaves, are shed.
Down
- 1. Gives rigidity and mechanical strength to plant organs. The cells are dead without protoplasm.
- 2. Marked by or promoting metabolic activity concerned with the breakdown of complex molecules (such as proteins or lipids) and the release of energy within the organism.
- 3. A compound tissue in vascular plants that helps provide support and that conducts water and nutrients upward from the roots, consisting of tracheids, vessels, parenchyma cells, and woody fibers.
- 4. Any plant adapted to life in a dry or physiologically dry habitat (salt marsh, saline soil, or acid bog) by means of mechanisms to prevent water loss or to store available water.
- 5. The use of trees and plants to remove pollutants from the environment.
- 6. Layer of actively dividing cells between xylem (wood) and phloem (bast) tissues that is responsible for the secondary growth of stems and roots.
- 7. A simple plant tissue, composed of thin-walled cells and forming the greater part of leaves, roots, the pulp of fruit, and the pith of stems.
- 10. A process in which water in liquid form is given off by plants.
- 11. Microscopic cytoplasmic canal that passes through plant-cell walls and allows direct communication of molecules between adjacent plant cells.
- 14. An organic substance that acts as a binder for the cellulose fibers in certain plants adding strength and stiffness to the cell walls.
- 17. Outermost, protoderm-derived layer of cells covering the stem, root, leaf, flower, fruit, and seed parts of a plant.
- 18. Of or relating to the skin
- 20. The nonprotoplasmic component of a plant, including the cell walls and intercellular material.
- 22. The primary growing point located at the apex of the stem.
- 24. A plant cell that has had its cell wall removed.
- 26. Occurring in or being an interval or intervening space or segment.