staub ·
The statement about jellyfish and lobsters isn't entirely accurate. Some species of jellyfish, like the Turritopsis dohrnii, are often referred to as "biologically immortal" because they can revert to an earlier stage of their lifecycle, which can theoretically allow them to avoid death from aging. However, they can still die from disease, predation, or environmental factors. As for lobsters, they continue to grow and molt throughout their lives, and some studies suggest they have a low rate of aging, but they are not truly immortal. They often die from the difficulties related to molting as they grow older, infections, or other natural causes. So, the idea that they are biologically immortal is a bit of an exaggeration.