Anatomy & Classification of trees

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Across
  1. 1. a type of water-conducting cell in the xylem which lacks perforations in the cell wall.
  2. 3. the outer layer of tissue in a plant, except where it is replaced by periderm.
  3. 5. the way in which a living organism or bodily part functions.
  4. 8. of the cell types found in xylem, the water conducting tissue of plants.
  5. 11. the scientific study of trees
  6. 12. consists of undifferentiated cells capable of cell division
Down
  1. 2. the outermost layer of plants, which covers leaves, fruits, flowers, and non-woody stems of higher plants.
  2. 4. a group of cells that have similar structure and that function together as a unit.
  3. 5. the vascular tissue in plants that conducts sugars and other metabolic products downward from the leaves.
  4. 6. a series of sieve tube elements placed end to end to form a continuous tube.
  5. 7. study of the structure of a organism
  6. 9. Material that remains after cells mature and die
  7. 10. transports water and nutrients from the plant