Many marine animals have a shell covering. A few of these animals are snails, shellfish, crabs, tortoises, turtles, and the like.
The outer shell on animals is called an exoskeleton. This exoskeleton is there because these animals do not have a spine like humans do, so they must have the shell to protect them from harm.
Exoskeleton.
The outer covering of a prawn in a shell.
either fur feathers skin or shell technically it is simple ?
A lot of animals have hard body covering which makes them hard to become prey. However, animals such as hippopotamus, rhinoceros, and elephants have a hard cover of skin on their body.
The shell.
shell
A hard shell
It is a shell, as in a cockle shell or oyster shell.
A shell. Before that the chicken was covering it.
The shell or exsoskeleton
Shell