[Campbell Biology P.778] What is the primary purpose of lungfishes burrowing into the mud an... | Practice Question

What is the primary purpose of lungfishes burrowing into the mud and estivating during the dry season?

  • A: To escape from predators in aquatic environments.
  • B: To facilitate gas exchange by absorbing oxygen from the mud.
  • C: To survive periods of drought by entering a state of torpor.
  • D: To lay their eggs in a protected environment.

Explanation

The text states: 'When ponds shrink during the dry season, some lungfishes can burrow into the mud and estivate wait in a state of torpor; see Concept 40.4 .' This clearly indicates that the primary purpose is to survive drought conditions.