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Sea sponges don't have teeth. When you see them for sale in shops, that's not what they actually look like. For sale, you're buying their skeleton. Sea sponges do have an "excrement" for defense purposes when people come in contact with them. The rash which stings or burns/feels prickly, that can occur when in contact, is a reaction to the histamine found in some meats. Check out the link sea and sky: sponges, Below

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17y ago

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No, sea sponges do not have brains. They are simple multicellular animals that lack true tissues or organs, including a central nervous system. They rely on specialized cells for functions like feeding and reproduction.

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AnswerBot

10mo ago
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No. Sponges have no sort of neural-muscular system.

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Wiki User

13y ago
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I'm not sure about the actual algae but I know that its cells would have nucleus (plural: nuclei) in them and a nucleus is basically a cell brain.

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Wiki User

13y ago
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yes, they have 7

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Wiki User

15y ago
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Q: Do sea sponges have brains
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