Explain whqt might be able to lea about the seater thwt existed million of years ago by studing rocks that came into contact with seawater art that time in the past

If you were given a map of the sensory cortex in the postcentral gyrus of the cerebrum, do you think the map would have more “space” devoted to the regions of the body that have the highest density of sensory receptors, or the regions of the body that have the lowest density of sensory receptors? explain.