Activity for Yens Gathercole
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
Would an animal with a sail like respiratory system be possible? 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? (more) |
— | over 7 years ago |