Plants typically rely on a root system for several critical functions, including:

Water and Nutrient Absorption: Roots absorb water and essential nutrients from the soil.

Anchorage: Roots anchor the plant in place, providing stability against wind and erosion.

Storage: Some plants store energy and nutrients in their roots.

However, some plants can survive without a traditional root system, particularly in specific environments or stages of growth. For example:

Epiphytes: Plants like orchids grow on other plants and may not develop extensive root systems in soil. They absorb moisture and nutrients from the air and rain.

Aerial Roots: Some plants, such as certain types of ivy or mangroves, have adapted to grow roots that can absorb nutrients and moisture from the air.

Hydrophytes: Aquatic plants can grow in water with minimal root systems, relying on their leaves for nutrient absorption.

In summary, while a root system is crucial for most plants, some can adapt to survive and thrive without one, depending on their environment.