Question

What is the benefit of plants having root hairs and what is thier function

Answer 1

Root hairs are delicate outgrowths of epidermal cells that significantly increase the volume of soil that plants mine for nutrients.

Answer 2

Explanation:

A root hair[1], or absorbent hair, the rhizoid of a vascular plant, is a tubular outgrowth of a trichoblast, a hair-forming cell on the epidermis of a plant root. As they are lateral extensions of a single cell and only rarely branched, they are visible to the naked eye and light microscope. They are found only in the region of maturation of the root. Just prior to, and during, root hair cell development, there is elevated phosphorylase activity.[2] Plants absorb water from the soil by osmosis. Root hair cells are adapted for this by having a large surface area to speed up osmosis. Another adaptation that they have is root hair cells have a large permanent vacuole.