Wednesday, November 10, 2010

The Only Immortal Animal on Earth

Have you ever wondered what would happen if our life cycles were reversed, that is if we were born old and died young? Well, there’s one animal that comes close and has achieved immortality in the process, just to top it off. Meet the Turritopsis nutricula, a small saltwater animal or hydrozoan related to jellyfish and corals.

Like most jellyfish, Turritopsis nutricula undergoes two distinct stages in its life cycle: The polypoid or immature stage, when it’s just a small stalk with feeding tentacles; and the medusa or mature stage when the only 1mm-long polyps asexually produce jellyfish.

more 

No comments:

Post a Comment