Select the incorrect statement regarding frogs.

• A
  Frogs inhabit both land and saltwater environments.
• B
  The scientific name of the frog is $Rana$ $tigrina$.
• C
  Frogs are classified as poikilothermic or cold-blooded animals.
• D
  To protect themselves from extreme heat and cold,they burrow into deep pits,known as hibernation and aestivation,respectively.