This is what happens when you prune a plant ii. Modified roots and shoots A. Roots and shoots have been modified into a variety of structures 1. Many are modified into food storage organs a. A. Most distinctive feature of plants is their cell wall 1. This is composed mainly of cellulose B. Various cell types found in plants 1.
Parenchyma cells are the most abundant type of cell in plants a.
They can divide and differentiate into other types of plant cells 2. These are living cells when mature 3. Mature cells occur only in regions that have stopped growing b. Sclerenchyma cells are the major constituent of wood 4. Both tracheids and vessel elements form chains that become a system of tubes that transport water around the plant i.