It decomposes. This is one of the many natural sources of CO2 gas. The shell will eventually completely decompose becoming fertilizer.
yes turtles do have a bottom shell
it turns brown
A terrapin has a shell because it is a turtle, of course. There are 4kinds of turtles: aquatic turtles, land turtles, terrapins, and sea turtles. All turtles have shells.
it rots
Star Turtles are turtles with star like shell
It rots
your body rots
It rots.
A sea turtles shell stays on its back because its attached
A turtles shell is a form of armor; it makes it very hard for a predator to bite the turtle.
in its shell
a Shell