Bivalves ( clams. mussels, scallops)
because they protect themselves:)
turtle
some animals such as clams have hard shells to protect them. sometimes if a predator sees a sheel it will either think it's a rock, but even if they dont think its a rock they will struggle to get the clam out of the shell even though some animals are able to.
insect
the answer is mussle
Leathery shells = Hard shells
scopata animals don't have shells turtles and shellfish do
Shells protect prey from pretador.
Hard shells, sharp claws, powerful legs, sharp teeth, etc. etc.
There are quite a few animals that antennas and shells. Most of these animals are in fact insects that fly.
Not that hard where your teeth will brakeJust hard
to Potter