they don't have one
It' a fungi called KERATIN. Visually, it is the bumpy stuff on the outer covering of a tadpole.
Sheggear arabeggear!
The outer covering of a prawn in a shell.
The integumentary system consists of the body's outer covering, also known as skin.
it is a scaly outer covering i think
Stupit
skin
A hard outer covering protects an insect's soft body and gives the insect its shape.
Wombats have a covering of stiff, coarse hair.
No
They have shells to protect them from their enemies.
Skin is the outer covering for the body. It is part of both the Sensory system and the Immune system.-------------------------------------------------------------------------Answer: Integumentary Systemsystem includes: Skin, nails, and hair; cutaneous sense organs and glandsFunction:Protects deeper organs from injury due to bumps, chemicals, bacteria, and dehydration (drying out).Excretes salts and ureaHelps regulate body temperature