When we compare animals to one another there<span> is a </span>correlation between<span> relative</span>brain size<span> and performance on </span>intelligence<span> tests. But we have to consider body </span>size<span>, because large animals need larger </span>brains<span> to monitor and run their large organs and higher number of nerve endings.</span>
Auto insurance companies manage the increased cost associated with high-risk drivers by both charging them higher rates and balancing them out with low-risk drivers.