7 “The brittle star can regenerate the arm in just a month, which is very, very fast,” said Parey. In comparison, sea stars take up to a few months to regrow a lost arm, making brittle stars an ...

The starlet sea anemone (Nematostella vectensis ... This feature is also observed in flatworms and other animals that can regenerate their entire bodies. “Regeneration is about restoring ...