Answer:
Food web
Explanation:
food web:
a system of interlocking and interdependent food chains.
Answer: The correct option is B.
is a protein found in hair, among other things
Explanation:
Collagen is a structural protein found in different connective tissues of the body such as bones, cartilage, tendons, ligaments, skin e.t.c. it is the most abundant protein in mammals. It comprises of various amino acids that are join together to form triple helix of fibrils. Collagen is found in hair and other things because it is found in skin follicles that surrond the hair. The collagens that surrond the hair bulb increases the amount of hair and thicken it.
Answer:
Skin serves as a protective barrier, a way to sense the world, and a layer that keeps nutrients and water inside the body. Four types of cells make up the skin, and they are produced mainly in the epidermis near the basement membrane. Keratinocytes contain structural keratin and make up the bulk of the epidermis.
