The stem and the root are two important parts of a plant that serve different purposes.
The stem is the part of the plant that supports the leaves, flowers, and fruit. It also transports water and nutrients from the roots to the leaves and other parts of the plant. The stem is responsible for providing structural support and allows the leaves to reach the sun for photosynthesis. The stem can also store food and water for the plant.
The root is the part of the plant that anchors it in the ground and absorbs water and nutrients from the soil. Roots grow underground and can be very long, with some plants having roots that extend several meters deep into the soil. The root system is also responsible for holding the soil together, preventing erosion and providing stability for the plant. Some roots, such as those of carrots and potatoes, also store food for the plant.