Immortality in nature
Very simple beings can be regarded as immortal, like certain types of yeast, hydra. A very primitive jellyfish the Turritopsis nutricula is currently the only multicellular being with a reversible life cycle.
Very simple beings can be regarded as immortal, like certain types of yeast, hydra. A very primitive jellyfish the Turritopsis nutricula is currently the only multicellular being with a reversible life cycle.