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Posted by4 years ago
Do jellyfish have eyes or brains
Nope. Also they lack a CNS. They have a very basic set of sensory nerves at the base of their tentacles.
They have ganglion, which is like a primitive brain/nervous system to provide basic instinct!
Not really. Most jellyfish have a basal nervous system around the rim of their bell, but no true brain. Some species of box jellyfish have well developed eyes and can swim where they want instead of just following the current.
aren’t they one giant nervous system?
edit: also, pretty sure this isn’t the sub for this
Depends on if you think they’re cute or not. I think this one is.
Box jellies and man o’ wars can go to hell.
Created Sep 16, 2010
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