与蝴蝶不同灯塔水母受伤或条件艰苦时，会“退化”，保持在不成熟的水螅态直到条件好转。
But unlike butterflies, if Turritopsis get wounded or if times get tough, they can morph backwards, reverting to their immature polyp form until conditions improve.
有些动物很可能可以在理想的环境下达到长生不老，比如海鞘、特定种类的珊瑚、九头蛇、灯塔水母（不死的海蜇）。
The animals that can possibly achieve immortality under ideal conditions, such as sea squirts, certain corals, Hydra, and Turritopsis nutricula (the immortal jellyfish), often activate telomerase.
由于可以绕开死亡,灯塔水母的个体数量非常庞大.它们源自加勒比海,如今已遍布全球海洋.史密森尼热带海洋研究院的Maria Miglietta博士称:"我们看到的是一个全球性的无声入侵.
Because they are able to bypass death, the number of individuals is spiking. They're now found in oceans around the globe rather than just in their native Caribbean waters.
由于可以绕开死亡,灯塔水母的个体数量非常庞大.它们源自加勒比海,如今已遍布全球海洋.史密森尼热带海洋研究院的Maria Miglietta博士称:"我们看到的是一个全球性的无声入侵.
Because they are able to bypass death, the number of individuals is spiking. They're now found in oceans around the globe rather than just in their native Caribbean waters.
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