Are these 2 adaptations structural, Physiological or Behavioural. 'he tongue moves very fast, with great speed' and ' The short beaked echidna does not pant of sweat; due to the inability to sweat echidnas still lose water through exhalation' and ' Short beaked echidnas have a long tongue with sticky saliva, with which they eats termites and ants. They also have a long snout which makes it easy for food'.