Plant response to heat

  • Created by: Share63
  • Created on: 22-09-18 11:37
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  • Temperature changes  and       plants
    • Plants have to balance WATER LOSS and  cooling   v               heat buildup and WATER CONSERVATION
    • Plant changes are STRUCTURAL and PHYSIOLOGICAL
  • 1. Evaporative cooling
    • Transpiration
      • STOMATA open
        • Water loss decreases internal temperature
          • Risk of dehydration due to water loss
            • Therefore In excessive heat -stomats will close

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