TRANSPIRATION

• XYLEM TISSUE:

  Transports WATER from the ROOTS to the STEM & LEAVES

  Some water- used in PHOTOSYNTHESIS

  Xylem- transports DISSOLVED mineral IONS e.g. MAGNESIUM (used to make CHLOROPHYLL)

  
• FUNCTION OF XYLEM:

  • Transports WATER + MINERAL ions UP the plant
  • By TRANSPIRATION
• STRUCTURE OF XYLEM:

  • Made up of DEAD tissue
  • HOLLOW tubes STRENGTHENED by LIGNIN
  • ADAPTED for the transport of WATER in the transpiration STREAM