Question

a epidermis—thin outer membrane layer
b melanin—gives skin its color
c keratin—innermost layer, containing fatty tissue
d dermis—fibrous, connective tissue layer

Explanation:

The epidermis is the thin outer - layer of the skin. Melanin is the pigment that gives skin its color. The dermis is a fibrous, connective - tissue layer. Keratin is a protein, not the innermost layer containing fatty tissue. The innermost layer with fatty tissue is the hypodermis.

Answer:

A. epidermis—thin outer membrane layer
B. melanin—gives skin its color
D. dermis—fibrous, connective tissue layer