The bowhead whale is the longest-lived mammal, with estimates suggesting individuals can live over 200 years. When faced with injury, starvation, or simply the end of the reproductive cycle, the medusa transforms back into the polyp form through a process called transdifferentiation.
What Lives Longest Comparison Across Species
Similarly, deep-sea black corals, such as those found in the Hawaiian Islands, have been dated to be over 4,000 years old. The Immortal Jellyfish: A Biological Enigma At the forefront of longevity discussions, the Turritopsis dohrnii jellyfish presents a fascinating paradox.
They achieve this by entering a tun state, suspending their metabolism for decades until conditions improve. New stems die and are replaced, but the root network persists, making the colony itself effectively ageless.
What Lives Longest Comparison Across Species
It requires understanding the biological mechanisms that govern aging. The Great Basin Bristlecone Pine, specifically the Methuselah tree located in California, is verified to be over 4,800 years old.
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