Root systems are the underground parts of plants that anchor them to the soil and absorb water and nutrients. They consist of various types of roots, including primary roots, which grow downward, and secondary roots, which spread out horizontally. The structure and depth of a root system can vary significantly among different plant species, influencing their ability to thrive in various environments. There are two main types of root systems: taproot systems and fibrous systems. A taproot system features a single, thick primary root that grows deep into the soil, while a fibrous system has many thin roots that spread out near the surface. Each type plays a crucial role in supporting the plant's growth and stability.