What is a positive effect of geotropism?

Geotropism refers to the growth responses of plants to gravity, with positive geotropism indicating growth towards the gravitational pull. The positive effect of geotropism primarily manifests in guiding root growth downwards. This downward growth allows roots to anchor securely in the soil, helping the plant to achieve stability. Additionally, it enables roots to access essential nutrients and moisture found deeper in the ground, which enhances the overall health and survival of the plant. This mechanism is vital for proper nutrient uptake and hydration, contributing significantly to the plant's ability to thrive in its environment. Other options, while related to plant growth, do not specifically emphasize the critical role of gravity in guiding roots downwards.