In vascular plants, the sieve tubes and companion cells are present in the

In vascular plants, the sieve tubes and companion cells are present in the

Answer Details

The sieve tubes and companion cells are present in the phloem. Phloem is the tissue in vascular plants that is responsible for the transport of food (sugar) from the leaves to other parts of the plant. The sieve tubes and companion cells work together to move the food through the plant. The sieve tubes are long, thin cells with porous walls that allow food to flow through them. The companion cells are adjacent to the sieve tubes and help regulate the flow of food by controlling the size of the pores in the sieve tube walls.