The top is called the carapace and the bottom is called the plastron.
Its called the Carapace shell.
Its called a shell
The Plastron is the ventral (bottom) portion of a turtle's shell (under the abdomen)The Carapace is the dorsal (top) portion of the turtle shell (over the back)the little polygon shapes on the shells are called scutes.
The upper part of the shell is the carapace.
A turtle's lungs are located in the top part of their shell.
The outside of an egg is called the shell.
The mantle is the newest part of the clam's shell. At the edge of the mantel there is a thicker area of muscle which turns into new shell as the clam grows.
The top part of a wave is called the crest, while the bottom part is called the trough.
The outside part of an egg is called the shell. It serves as a protective covering for the egg's contents.
The oldest part of the clam shell is called the umbo. It is the portion closest to the hinge and is found by following the growth rings to their center.
A turtle or tortoise's shell has two parts; the top domelike piece is called a carapace. The bottom is called a plastron.