What is the primary function of roots in plants?

The primary function of roots in plants is to anchor the plant securely in the soil while also absorbing water and essential nutrients from the ground. This anchoring is crucial for maintaining stability, especially in windy conditions or in situations where the plant might be subjected to mechanical forces. Roots extend into the soil to reach moisture and minerals necessary for the plant's growth and overall health.

Additionally, roots play a vital role in establishing a plant's transport system, allowing water and nutrients absorbed from the soil to move up through the plant to the stem and leaves. This transport system is essential for the physiological processes that sustain the plant, including growth, reproduction, and response to environmental conditions.

Other options do not correctly represent the primary functions of roots. For instance, while leaves are responsible for absorbing sunlight and facilitating photosynthesis, roots do not perform these roles. Additionally, flowers and seeds are products of the reproductive parts of a plant, which are not directly related to the function of roots.