Question

which animal is painless
explanation

Answer 1

Answer:

Yes. Sessile animals with no brains such as sponges most certainly cannot feel pain.

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Answer 2

Sessile animals with no brains such as sponges most certainly cannot feel pain. Jellyfish, also brainless, also can't feel pain. (Even if they respond to damage, there would be no FEELING of pain, because feeling pain requires, at least, a brain)...

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