Living organisms are always through the life cycle that must be lived and then died after completing the cycle it . Hydrozoa is the order of predatory animals that live primarily in salt water, they are almost similar to jellyfish and corals. Sperm and egg jellyfish - jellyfish adults in their reproductive process will form a polyp, and polyp that will produce a new organism asexually (the division).
Turritopsis Nutricula Successfully found a way to beat it?? Yes, this species can beat the "death" .. They can be called back to the colonial stage after they are sexually mature reaching sexual maturity. When they were young they had only a few tentacles, but at a mature stage, they could possess 80-90 tentacles
They can return to polyp stage of the cell through changes in the external screen (Exumbrella), which allows them to break through death. So far, the scientists observed that this hydrozoa almost be said to be immortal .