A root system is the part of a plant that typically grows underground, anchoring the plant and absorbing water and nutrients from the soil. It consists of various types of roots, including primary roots, which grow directly from the stem, and secondary roots, which branch off from the primary roots. The root system plays a crucial role in supporting the plant's overall health and stability. There are different types of root systems, such as taproot systems, where a single, thick primary root grows deep into the soil, and fibrous root systems, which consist of many thin roots that spread out near the surface. Each type of root system has its advantages, helping plants adapt to various environmental conditions.