Leaves are plant organs that perform many functions, such as photosynthesis, respiration, evaporation and transpiration. They are the main source of nutrition for the plant, as through photosynthesis they produce organic substances necessary for growth and development. The leaves can have different shapes, sizes and colors, and can be arranged on the stem of the plant in different orders. They can also perform a protective function, for example, the thorns on the leaves of cacti protect the p...
