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Sea cucumber has a nerve instead of a brain. They may move more freely and react to their surroundings with the aid of this network.
Starfish lack a brain and instead have a dispersed nervous system. Their nervous system facilitates the synchronization of their movements and senses.
A nerve net, a simple network of nerve cells helps them detect and respond to their environment.
Corals have a decentralized nerve net, allowing them to coordinate their polyps' actions and respond to environmental changes.
These simple organisms have no nervous system or brain. They rely on water flow through their porous bodies for nutrient and oxygen exchange.
Like jellyfish, sea anemones possess a nerve net that manages their sensory and motor functions.
Jellyfish have a nerve net instead of a brain, which helps them coordinate their movements and respond to stimuli.