Adaptations

• What is meant by an extremophile?

  Organisms adapted to extreme conditions
• How are camels adapted to desert conditions?

  They have structural adaptations for heat
• What is a structural adaptation of camels?

  Camels have a hump for fat storage
• How does the hump of a camel help it?

  It acts as a thermal insulator
• What is another structural adaptation of camels?

  Thick coat on the upper body
• Why do camels have leathery mouths?

  To eat thorny desert plants
• What do camels' long eyelashes do?

  Keep dust out of their eyes
• How do camels prevent dust from entering their nostrils?

  They can close their nostrils
• What is a functional adaptation of camels?

  They produce concentrated urine
• How do camels cope with temperature changes?

  They tolerate large body temperature changes
• What is a behavioral adaptation of kangaroo rats?

  They are nocturnal to avoid daytime heat
• Where do kangaroo rats live during the day?

  In burrows underground
• What is a structural adaptation of the arctic fox?

  Thick fur for insulation
• How do the soles of an arctic fox's feet help it?

  They reduce heat loss to ice
• Why do arctic foxes have small ears?

  To reduce heat loss
• How does the coat of an arctic fox help it?

  Provides effective camouflage
• What adaptation do cacti have to reduce water loss?

  Very small leaves or no leaves
• How do cacti catch water after rainfall?

  With extensive and shallow roots
• What do cacti store water in?

  In their stems
• What are extremophiles?

  Organisms living in extreme conditions
• Where can extremophiles be found?

  In deep-sea vents
• What conditions do extremophiles endure?

  High temperatures and pressures
• What else can extremophiles tolerate?

  High concentrations of salt