Root hairs are extensions of the

Nobledoc

6 years ago

The epidermis has to do with shoot when it comes to root,piliferous layer is more correct.

BroTolu

4 years ago

Piliferous layer -- root

Epidermis -- stem

Michaelimumoren

2 years ago

Root hairs are tubular extensions of the epidermis that greatly increase the surface area of the root. They are constantly dying off and being replaced by new ones as the root grows and extends itself into the soil
So the correct answer is C

highmen

1 year ago

isnt epidermis another name for piliferous layer?

esosa2007

3 years ago

The answer is c which is the epidermis

NathanE

3 months ago

The correct answer is D. piliferous layer.

Here is the biological breakdown of why this is the most precise answer:

1. What is the Piliferous Layer?
The piliferous layer (also known as the epiblema or rhizodermis) is the specific region of the root epidermis where root hairs are formed. The word "piliferous" literally means "hair-bearing" (from the Latin pilus for hair).

2. Why not just "Epidermis"?
While the piliferous layer is a type of epidermis, in biology exams, if "piliferous layer" is an option, it is considered the more specific and technically correct answer. The general epidermis of a plant can be thick or waxy (like on a leaf), but the piliferous layer is specialized with thin walls to allow for water absorption.

3. Understanding the Root Structure
A. Cortex: This is the thick layer of packing tissue (parenchyma) inside the epidermis. It stores food and moves water toward the center.

B. Endodermis: The innermost layer of the cortex that surrounds the vascular tissue. It contains the Casparian strip to regulate water flow.

C. Epidermis: The general outer skin of the plant.

E. Vascular Bundle: The central core containing the Xylem (water transport) and Phloem (food transport).