Xerophytes and hydrophytes

Xerophytes and hydrophytes

• 1.
  Adaptations of Plants Xerophytes and Hydrophytes
• 2.
  Adaptations of Plants  Plants can survive in many extreme environments.  Xerophytes – Desert Plants  Hydrophytes – Water Plants (live in ponds, rivers and swamps)  In order to survive in these environments, these plants need to have adaptations.
• 3.
  Xerophytes
• 4.
  Xerophyte Adaptations  Well established root systems.  Grow deeply and in all directions in order to anchor the plants in sandy soil and against the wind.  Helps to maximize water uptake.
• 5.
  Xerophyte Adaptations  Short Life Cycles  Thickened, Waxy  Grow from seeds to Cuticle mature plants, produce  Prevention of water loss flowers, fruits and because the cuticle seeds in a short prevents the water that amount of time. the leaves already have  These few days can from escaping due to the coincide with the few high heat and intense days of rain. sunlight.
• 6.
  Xerophyte Adaptations
• 7.
  Xerophyte Adaptations  Many desert plants are  What can help you to called C4 or CAM remember the plants. adaptations?  These plants only open  Imagine you are in that their stomata in the dark environment. What at night. would you need?  The cooler temperatures allow the plant to take up CO2 through their stomata without sacrificing water.
• 8.
  Hydrophytes
• 9.
  Adaptations of Hydrophytes  Have lots of air spaces in their tissues.  This helps them to float in water.
• 10.
  Adaptations of Hydrophytes  Roots in water- clogged soil are called ‘Breathing Roots’ or ‘Pneumatophores’.  These roots grow to reach the surface above the water in order to obtain CO2 to survive.  Marshes or Swamps
• 11.
  Adaptations of Hydrophytes  Again, if you were in that environment, what would you need to survive?  To breathe underwater?  To float on the water?