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Q&A What are the conditions in which a creature would evolve more than one brain?

Would any creature ever need to evolve a second (or multiple) brain(s)? If so, under what conditions, why, and what implications would it have on the creature's intelligence? Note that while an o...

30 answers  ·  posted 9y ago by Aify‭  ·  last activity 7y ago by Aify‭

Question reality-check evolution creature-design brain