Why does brain size not matter when comparing the intelligence of different species while having bigger organs like hearts, lungs, kidneys allows those organs to function better?

Question

Why does brain size not matter when comparing the intelligence of different species while having bigger organs like hearts, lungs, kidneys allows those organs to function better?

In: 5

Answer 1

Brain size is important, but it isn’t the deciding factor, instead it is the number of connections within the brain that increase intelligence of course the larger the brain the easier it is to make a great number of connections within it.