AP BIOLOGY

Detailed explanation-1: -Lateral meristem is responsible for the increase in the girth of the stem. It is found beneath the bark (called cork cambium) and in vascular bundles of dicot roots and stems (called vascular cambium) as thin layers. It is composed of such initials which divide mainly in one plane and increases the girth of the stem.

Detailed explanation-2: -Cambium (lateral meristem) is situated below the bark and is responsible for the increase in the girth of the stem or root.

Detailed explanation-3: -Lateral meristem stimulates the increase in the girth of stem and root. It increases the lateral thickness of the plant stem and root.

Detailed explanation-4: -Lateral meristematic tissue helps to increase the girth of the plant.

Detailed explanation-5: -The thickness or width of the stem is called the girth of the stem. Different types of meristems are: The girth of the stem is increased due to the Lateral meristem. Apical meristems are also found on the apices or growing parts of a plant like tips of shoots, roots, etc.