OH MY.. Why Don T Jellyfish Have Brains
The term jellies or sea jellies is more recent having been introduced by public aquaria in an effort to avoid use of the word fish with its modern connotation of an animal with a backbone though shellfish. The box jelly has the most advanced eyes of any species. Pin On Me After all their species dont share elemental properties with you like a spine or a brain or even the same interests. Why don t jellyfish have brains . They do not have brains blood or hearts though they do have nervous systems that help them respond to their. However the jelly is approximately 98 percent water. They have no brain and are mostly water yet jellies have plenty of superpowers. Most animals have some sort of centralized nerve center aka a brain although many have only simple versions called ganglia concentrations of nerves that control other nerves around them. Even though jellyfish dont have brains per se we can see that they do have surprisingly complex nervous systems. On the underside of t...