Calcium Carbonate
Answer2
I don't know the answer but somehow I doubt if it's calcium carbonate.
A sea turtle has an external shell.
An alligator could eat a turtle in its shell, and a shark could eat a sea turtle in its shell.
No
Orlando turtle
A hard shell
what lives in the sea
swim, bite, eat fish/plankton, surf, get killed and you can eat turtle soup out of the shell made of the body, bounce the real question is "what can't a green sea turtle do?"
sea turtle use there shell to fend off predators
its shell
The shell
its shell
the ribs of a sea turtle are attached to the shell and so they sea turtle breathes by opening and closing his/hers legs.