Posts by Yens Gathercole
Imagine a terrestrial creature with a sail on its back, like a Spinosaurus or Dimetrodon. Would it be possible to use this sail as a lung for oxygen exchange with the air?
Imagine a terrestrial creature with a sail on its back, like a Spinosaurus or Dimetrodon. Would it be possible to use this sail as a lung for oxygen exchange with the air?