What is the primary function of the cambium layer in a plant?

The cambium layer in a plant is crucial for growth and repair of tissues. It is a thin vascular tissue located between the xylem and phloem layers. The primary function of the cambium is to produce new cells that contribute to the increase in the girth of the plant stem and roots. This process is vital for the plant's overall growth and allows for the formation of secondary xylem (wood) and secondary phloem, which are essential for transporting water, nutrients, and sugars throughout the plant.

In terms of repair, if the plant is injured, the cambium can generate new cells to heal wounds, thereby maintaining the integrity of the plant structure. This regenerative capacity is important for the longevity and health of trees and shrubs, especially in environments where they may be subjected to mechanical damage or environmental stress. The cambium's role makes it essential for sustaining plant growth over time.

The other options, while important functions in plants, do not directly relate to the specific role of the cambium layer. Water storage refers to the capacity of certain tissues like parenchyma cells, photosynthesis primarily occurs in the leaves through chloroplasts, and seed dispersal is a reproductive function involving other structures and mechanisms beyond the