Are there any sea creatures that have no brain?

Animal Expert

Posted on 2022-01-14 10:35:01

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Other animals that survive without a brain include sea stars, sea cucumbers, sea urchins, sea anemones, sea anemones, squirting, sea sponges, corals, and Portuguese man-of-war. The brain is basically what happens when a large group of nerve cells, called neurons, form one large cluster. May 24, 2016

Which animal can live without a brain?

Corals and jellyfish (cnidaria) are two animals that do not have a brain. The same is true for echinoderms (starfish, sea urchins, clypeaster japonicum, etc.). For example, jellyfish are interesting sea creatures that have survived about 650 million years on Earth without the brain, heart, or blood.

Which animal has neither a brain nor a heart?

A jellyfish is an animal without a brain or heart.

Are there any sea creatures that have no brain?

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