JLAB Biology SOL Practice Test

The roots of a plant are primarily responsible for absorbing water and nutrients from the soil. They have specialized structures, such as root hairs, that increase surface area, allowing for greater absorption efficiency. Roots also anchor the plant, providing stability, and they often have extensive networks that can reach deep into the soil, where moisture and essential minerals are found. This function is crucial for a plant's survival and growth, as water and nutrients are essential for processes such as photosynthesis, growth, and development.