http://en.wikipedia.org/wiki/Surface-area-to-volume_ratio http://en.wikipedia.org/wiki/Surface-area-to-volume_ratio >For a given shape, SA:V is inversely propo

http://en.wikipedia.org/wiki/Surface-area-to-volume_ratio http://en.wikipedia.org/wiki/Surface-area-to-volume_ratio >For a given shape, SA:V is inversely proportional to size. When an object grows in size its volume grows faster than its surface area.