Bedbugs, like most insects, have a tough exoskeleton. This means that rather than having bones on the inside like we do, their shell is their skeleton and keeps all of their working gooey bits inside.
The shell is hard.
Grasshoppers do not have a hard shell.
with it's hard shell with it's hard shell
The tortoise's shell is their home. The shell has a hard cover and can protect them when something hard hits it. If they do not have the shell, they would have died fast.
bedbugs
A hard shell animal? Like a crab or snail?
The shell.
turtle rino armadillo snail crocks
There are not any adult moths that have a hard outer shell. However, a pupa from the Gypsy Moth do have a hard outer shell for protection until it hits adulthood.
really hard
The hard shell of a lobster is known as the chitin.