These tend to include invertebrates that prefer to inhabit dark conditions, or nocturnal species that are adapted to feeding at night. Like many vampires, animals often avoid light.
This “transdifferentiation” – reverting back to a previous form then redeveloping into the latter form – could aid our understanding of repairing and regenerating damaged tissues.Īlthough most medusae succumb to predation or disease eventually, this jellyfish has the potential to regenerate indefinitely, making it pretty much immortal. The jellyfish is “immortal” because it can change from a medusa back into a polyp when stressed. Rather like a caterpillar starting life as an egg and developing into a butterfly, the jellyfish begins life as an egg, develops into a larva, grows into a polyp, then buds into a medusa that grows to just 4.5mm when fully mature.
The immortal jellyfish, however, is reborn repeatedly.
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