yes the correct answer is skin cells.
It is the cell membrane. Plant cells also have a rigid structure called a cell wall.
the cell membrane
The clear part of the eye is called the cornea. It is the front section of the eye that is a covering for eye parts like the iris and anterior chamber.
The outer covering of the grain is called Husk.
Earthworms are covered by a thin skin called epidermis. The epidermis is covered with a thin, protective cuticle that must be kept moist to permit the passage of oxygen through it.
Seed coat or testa.
The waxy protective covering of a land plant is called a cuticle.
The protective covering over some nerve cells is called the myelin sheath.
It is the cell membrane. Plant cells also have a rigid structure called a cell wall.
Protective covering flat shaped epithelial are called squamous cell .
parietal layer
This is called a bud scale.
The outermost layer of the skin is called the epidermis.
The book cover art that goes on the front and back of a book is called a dust jacket. It is a protective and decorative covering that wraps around the hardcover of a book.
its called an exosceleton
For plant cells, they have a cell membrane and covering the cell membrane is a cell wall. The cell wall is for the structure of the plant. For animal cells, they just have a cell membrane.
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.