Increase in the size of living organisms is commonly called ‘growth’. R. Uchida. Plants requireessen-tial elements. Plants, like all other living things, need food for their growth and development. Cell turgor is driven by large water-filled vacuole in all. The cells of such meristems have the capacity to divide and self-perpetuate. Each of these plant growth processes relies on water to carry out their functions. After studying this lesson, you will be able to: define the terms growth and devel