Which sense uses more cortical space than other senses? (in other words, which sense uses the largest portion of the

Vision is the sense that uses largest part of the brain. The brain the portion of the central nervous system contained within the cranium. Cranial Nerve II is Optic nerve Major Function.   Cranium and the cranial meninges - surround and protect the brain. 

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.