>>16729927Immortality means that evolution halts. The immortal ancestor consumes resources that her descendants could use, reducing the odds of offspring to survive and reproduce regardless of their own mutations, it's a clear evolutionary disadvantage
What organisms evolve the fastests? Bacteria. Why? Because they split themselves in half as soon as they can. The parent cell doesn't even exist anymore, it's part of both child cells
>but dying is an evolutionary disadvantageEvolution does not care about the individual, only his DNA. If you live forever but your DNA doesn't spread then you are an evolutionary failure