Nature & Environment
Jellyfish is world's only "immortal" animal
By T.K. Randall
March 21, 2010 · 28 comments
Image Credit: Wikipedia
A peculiar type of jellyfish native to the Carribean is believed to have a theoretically limitless life span.
The turritopsis nutricula jellyfish is able to cycle from a mature adult back to an immature polyp stage a limitless number of times meaning that it appears to be impossible for it to die of old age.
Since it is capable of cycling from a mature adult stage to an immature polyp stage and back again, there may be no natural limit to its life span. Scientists say the hydrozoan jellyfish is the only known animal that can repeatedly turn back the hands of time and revert to its polyp state (its first stage of life).
Source: Yahoo! News
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