why is it that so many animals have their brains in their head, rather than anywhere else in their body?

Question

why is it that so many animals have their brains in their head, rather than anywhere else in their body?

In: Biology

Answer 1

this is the concept of cephalization. Much of it is constrained by evolution. There a exceptions : for example cephalopods (eg the octopus) has independent functioning “brains” in each tentacle.