Chapter 24 The Plant Body

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Across
  1. 3. A root system typical of monocots composed of numerous thin adventitious roots that are all roughly equal in diameter. (Contrast with taproot system.)
  2. 5. (1) In plants, the tissue between the epidermis and the vascular tissue of a stem or root. (2) In animals, the outer tissue of certain organs, such as the adrenal gland (adrenal cortex) and the brain (cerebral cortex).
  3. 6. Either of the two meristems, the vascular cambium and the cork cambium, that give rise to a plant's secondary growth.
  4. 7. In plants, a specialized cell layer marking the inside of the cortex in roots and some stems. Frequently a barrier to free diffusion of solutes.
  5. 9. The meristem at the tip of a shoot or root; responsible for a plant's primary growth.
  6. 11. That part of an apical meristem that gives rise to the ground tissue system of the primary plant body.
  7. 12. Roots originating from the stem at ground level or below; typical of the fibrous root system of monocots.
  8. 15. In plants, a lateral meristem that produces secondary growth, mainly in the form of waxy-walled protective cells, including some of the cells that become bark.
  9. 18. In plants and animals, the outermost cell layers. (Only one cell layer thick in plants.)
  10. 20. The outer covering of a plant, consisting of epidermis in the young plant and periderm in a plant with extensive secondary growth. (Contrast with ground tissue system and vascular tissue system.)
  11. 21. Meristem that produces the tissues of the primary plant body.
  12. 22. A "seed leaf." An embryonic organ that stores and digests reserve materials; may expand when seed germinates.
  13. 24. The outer tissue of the secondary plant body, consisting primarily of cork.
  14. 25. A root extending outward from the taproot in a taproot system; typical of eudicots.
  15. 26. A plant tissue composed of relatively unspecialized cells without secondary walls.
  16. 28. The stalk of a leaf.
Down
  1. 1. A growth pattern in which the growth of an organism or organ ceases when an adult state is reached; characteristic of most animals and some plant organs. (Contrast with indeterminate growth.)
  2. 2. In plant roots, tissue just within the endodermis, but outside of the root vascular tissue. Meristematic activity of pericycle cells produces lateral root primordia.
  3. 3. In angiosperms, an elongated, tapering sclerenchyma cell, usually with a thick cell wall, that serves as a support function in xylem. (See also muscle fiber.)
  4. 4. All tissues external to the vascular cambium of a plant.
  5. 8. A open-ended growth pattern in which an organism or organ continues to grow as long as it lives; characteristic of some animals and of plant shoots and roots. (Contrast with determinate growth.)
  6. 10. Chloroplast-containing, photosynthetic cells in the interior of leaves.
  7. 11. Those parts of the plant body not included in the dermal or vascular tissue systems. Ground tissues function in storage, photosynthesis, and support.
  8. 13. The thin, flat portion of a leaf.
  9. 14. A type of plant cell, living at functional maturity, which lends flexible support by virtue of primary cell walls thickened at the corners. (Contrast with parenchyma, sclerenchyma.)
  10. 16. In plants, a protective outermost tissue layer composed of cells with thick walls waterproofed with suberin.
  11. 17. In plants, growth that is characterized by the lengthening of roots and shoots and by the proliferation of new roots and shoots through branching. (Contrast with secondary growth.)
  12. 19. In vascular plants, the vascular tissue that transports sugars and other solutes from sources to sinks.
  13. 21. In plants, relatively unspecialized tissue found within a cylinder of vascular tissue.
  14. 23. Primary meristem that produces the vascular tissue.
  15. 25. In plants, the chief organ of photosynthesis.
  16. 27. (1) In plants, a waxy layer on the outer body surface that retards water loss. (2) In ecdysozoans, an outer body covering that provides protection and support and is periodically molted.