The Structure and Function of Plants Vocab

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Across
  1. 3. A root system having one or a few main roots that are thicker and longer than the other roots of the plant.
  2. 4. One of the cells that surround a stoma on a plant leaf and control the opening and closing of the stoma.
  3. 5. The growth of plants in response to external stimuli such as light, gravity and touch.
  4. 7. In plants, a structure containing vascular tissues in leaf blades.
  5. 10. A root system having a cluster of roots that are all about equal in size and lacking a taproot.
  6. 12. The lower layer of leaf tissue consisting of loosely packed cells that carry on photosynthesis and have many air spaces between them.
  7. 13. The upper layer of leaf tissue that consists of tall, thin, closely packed cells that carry on the majority of photosynthesis.
  8. 15. The part of a leaf between the node and the blade.
Down
  1. 1. A tissue that serves as a protective covering in plants.
  2. 2. A region on a stem where a leaf is or was attached.
  3. 6. Openings between guard cells of a leaf that permit water vapor and gases to pass into and out of the leaf.
  4. 8. In plants, a noncelluar protective covering over leaves and young stems.
  5. 9. The release of water from plant leaves through stomata.
  6. 11. A vascular tissue made of long, hollow cells that carry water and dissolved minerals upward in a plant.
  7. 14. A vascular tissue that carries dissolved food in a plant.