Yes. A boy turtle and a girl turtle have different types of shells
A turtle. and define what you are thinking is a "protective shell"
a shell
the uranium turtle has red ears, a blublack spotse shell and
a snapper turtle is a type of turtle tha can have a very large shell. it travles in a very far distance.
Turtle.
It depends on the type of turtle. Turtles can range from 1inch-2 or more feet from shell end to shell end. Females tend to be larger then males.
The older they are the more pentagons they get on their shell. Sometimes it even depends on the type of turtle.
If a turtle loses its shell it is naked, homeless and dead because the turtle's spine is in its shell.
A Turtle
An alligator could eat a turtle in its shell, and a shark could eat a sea turtle in its shell.
As with any turtle the turtle shell is called CARAPACES.
A sea turtle has an external shell.