Sea squirts use stem cells to regenerate their bodies from nothing but fragments of blood vessel, a finding that could help uncover the evolution of regeneration
Source:
https://www.newscientist.com/article/2205034-sea-creature-uses-stem-cells-to-regrow-entire-body-from-a-tiny-piece/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home