Some animals can survive and function without a brain, which challenges our understanding of intelligence and how diverse life can be in adapting to survival without complex nervous systems.
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Here Are 5 Sea Animals That Can Live Without a Brain:
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Sea Urchins
Sea urchins are spiky creatures that move using a water vascular system and feed on algae by scraping stones. Their mouth is on the underside, and they expel waste from the top of their bodies.
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Sea Cucumbers
Sea cucumbers, brainless but dangerous, feed on plankton and can release a toxic substance harmful to humans.
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Jellyfish
Jellyfish, unlike most brainless creatures, can move by squirting water to catch prey and evade predators.
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Coral
Coral and jellyfish, both Cnidarians, sting enemies and lack brains, with coral often mistaken for a plant but actually an animal.
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Starfish
Starfish, brainless relatives of sea urchins, live on the ocean floor and use tiny eyes on their arms to sense light and danger.
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