This document provides information about the role of botanist and discusses the key parts and functions of plants. It explains that as a botanist, the student will study plants and sketch one in detail. It then outlines that the main parts of a plant are leaves, roots, stems and flowers. Leaves play an important role in photosynthesis by using carbon dioxide and water to produce glucose and oxygen. Leaves also help balance the plant's water levels and protect the plant in various ways.