Schlera
A seals outer covering is thick skin.
Plant cells have an extra thick outer covering called a cell wall, which provides structural support to the cell and protects it from mechanical damage. The cell wall is made up of cellulose fibers, which give it strength and rigidity.
The sclera is the thick outer casing of the eye, in most cases it is white, however in animals it is black.
Protoplasm
No, hair is not the outer covering of a seal. Seals have a thick layer of blubber under their skin, and their outer covering is made up of a combination of thick, waterproof fur or hair. This fur helps seals regulate their body temperature and stay warm in cold water.
cuticle is the thick layer outside the leaf to prevent loss of water.
Well, it depends on what type of cell you are talking about. If it's an animal cell, the outer covering would be the cell membrane. In a plant cell, the outermost one is the cell wall, then the cell membrane.
Cacti have thick stems and skins because they need to store water over long periods of time, and the liquid would evaporate quickly in deasert conditions.
The Statue of Liberty outer covering or skin is copper?
The thick outer layer of a plant cell is called the cell wall... 8) A.I
they have pretty much the same skin as most sea mammals , it like a natural wet suit.
The spiny anteater, correctly known as the echidna, has a thick layer of fur, through which hundreds of sharp quills grow.