Hot Deserts Flashcards

1
Q

How is a camel adapted for living in a desert?

A
  • Hump which stores fat
  • Thick fur
  • Wide feet so they don’t sink in the sand
  • Long eyelashes
  • Hairy eyes
  • Closing nostrils
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2
Q

Describe the distribution of hot deserts

A
  • Most are located near the tropics
  • The Sahara is located near the tropic of cancer
  • However, some deserts are located in rain shadow areas or further away from the tropics such as the Atacama desert
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3
Q

What are deserts like in the day and night?

A
  • In the day deserts are very hot
  • In the night deserts are cold
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4
Q

What do plants and animals have to do to survive in the desert?

A
  • Adapt to life there
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5
Q

How is a saguaro cactus adapted for life in the desert?

A
  • Thin waxy skin to reduce water loss
  • Thorns to prevent herbivores from eating them
  • Shallow roots to absorb water as fast as possible when it rains
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6
Q

How much water did Southern Nevada Water save?

A
  • 119 billion gallons of water
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7
Q

How many visitors go to the western desert each year?

A
  • 37 million
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8
Q

What are the causes of desertification?

A
  • Deforestation
  • Land being farmed to intensively
  • Animals grazed at to higher numbers
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9
Q

How do we prevent desertification

A
  • Bunds: Lets water flow slower meaning it has more chance of infiltration
  • Educating children about desertification
  • Great Green Wall (Sahra Desert)
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10
Q

Where does desertification tend to take place?

A
  • 90% of inhabitants of drylands live in developing countries
  • There is poor economic growth, therefore, they make use of farmland and resources of vegetation
  • Desertification is therefore increasing due to poverty
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