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the mouth opens to the stomach

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13y ago

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What is the structure that coordinates the complex activities of a cnidarian's body?

Cnidarians like jellyfish use muscles to contract their central bell, lightly propelling them through the water. Coral polyps and sea anemones catch food in their tentacles. When the tentacle is full of food, it curls inward toward the mouth, which sucks up all the food. Cnidarians who live in long strands in the open ocean coordinate their movement by feel. If you were a cnidarian and the cnidarian in front of you started to move left, then you would follow it left, and the one behind you would do the same. A lot of times, a larger, head cnidarian leads long strands of its friends through the water in search of food. Enjoy your day! :)


Is a free swimming form of a cnidarian called a polyp?

No, a free swimming form of a cnidarian is called a medusa. Polyps are typically attached to a substrate and have a cylindrical body with a mouth surrounded by tentacles at one end. Medusae have a bell-shaped body with tentacles hanging down.


Is an octopuss a cnidarian?

No, an octopus would be an example of a mollusk (not a cnidarian).


Do cnidaria have muscles?

Cnidarian do have muscles


Can you breathe out of your nose with your mouth open and your tongue at the bottom of your mouth not touching the roof of your mouth?

Yes, if you hold your hand over your mouth. There is no mechanism to prevent it however the air you breath will follow the path of least resistance. if your big mouth hole is open why would it travel down the more constricted path of your nose?