AP BIOLOGY

PLANTS

STEMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Single layer of cells that makes up the dermal tissue of a stem.
A
Epidermis
B
vascular cambium
C
cortex
D
pith
Explanation: 

Detailed explanation-1: -The epidermis is a single layer of cells that makes up the dermal tissue covering the stem and protecting the underlying tissue. Woody plants have an extra layer of protection on top of the epidermis made of cork cells known as bark.

Detailed explanation-2: -The dermis is composed of three major types of cells: fibroblasts, macrophages, and mast cells.

Detailed explanation-3: -The dermal tissue system-the epidermis-is the outer protective layer of the primary plant body (the roots, stems, leaves, flowers, fruits, and seeds). The epidermis is usually one cell layer thick, and its cells lack chloroplasts.

Detailed explanation-4: -The epidermis (from the Greek

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