Give a brief account of the thorn forests and scrubs.

• The thorn forests and scrubs are found in regions with less than 70 cm of rainfall. These forests, thus, exist in the north-western part of the country including semi-arid regions of Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Uttar Pradesh and Haryana.
  
• The main plant species found in these forests are acacias, cacti, euphorbias and palms.
  
• Trees are scattered and have long roots penetrating deep into the soil in order to get moisture.
  
• The stems are succulent to conserve water.
  
• Leaves are mostly thick and small.
  
• The common animals found in these forests are rat, mice, rabbits, fox, wolf, tiger, lion, wild ass, horses and camels.