• 1. 
    What is the main characteristic that makes a biome a desert?

  • Tumbleweeds
  • Lack of rain
  • Sand dunes
  • High temperatures
  • 2. 
    What is the largest hot desert in the world?

  • Arabian Desert
  • Gobi Desert
  • Sahara Desert
  • Mojave Desert
  • 3. 
    What does it mean when animals are described as nocturnal?

  • They sleep during the day and come out at night
  • They don't need a lot of water
  • They are warm-blooded
  • They hibernate during the winter
  • 4. 
    Where do many desert animals sleep during the day?

  • In burrows under the ground
  • On warm rocks to stay heated
  • On the sand
  • In the shade of cactus plants
  • 5. 
    Where do camels store up fat so they can go without water for long periods of time?

  • In their stomachs
  • In their shoulders
  • In their tails
  • In their hump
  • 6. 
    How have plants adapted to survive in the desert?

  • All of the above
  • They spread out from each other
  • They store water in their leaves and trunks
  • They have large root systems to collect water
  • 7. 
    True or False: Most hot deserts stay hot through the night rarely dropping below 100 degrees F.

  • TRUE
  • 8. 
    What term is used to describe the growing in size of the world's deserts?

  • Climate change
  • Drying Earth
  • Sand expansion
  • Desertification
  • 9. 
    What does it mean when a plant is called a succulent?

  • It stores water in its stems
  • It reproduces using flowers
  • It tastes really good
  • It defends itself from animals with spiny barbs
  • 10. 
    True or False: Many animals in the desert get all the water they need from the food they eat.

  • TRUE
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