Nautilus Shell By Kate Tom Turning Gibson As A Print Or Poster Posterlounge
Unlike its colorchanging cousins, though, the softbodied nautilus lives inside its hard external shell The shell itself has many closed interior chambers or "compartments" The animal resides in the shell's largest chamber, while the other chambers function like the ballast tanks of a submarine This is the secret to how the nautilus swimsThe chambered nautilus, Nautilus pompilius, also called the pearly nautilus, is the bestknown species of nautilusThe shell, when cut away, reveals a lining of lustrous nacre and displays a nearly perfect equiangular spiral, although it is not a golden spiralThe shell exhibits countershading, being light on the bottom and dark on topThis is to help avoid predators,
