This document discusses the parts of plants and what they need to grow. It explains that plants need water, soil, sunlight, and air to survive. The document identifies different parts of plants like flowers, leaves, stems, and roots. It provides examples of foods that come from plant parts, such as apples from fruits, carrots from roots, and lettuce from leaves. The document also distinguishes among different types of plants like trees, bushes, and grass based on their stem structures.