HORTICULTURE

Detailed explanation-1: -Since the leaf is composed of different types of cells working together, it is considered a higher level of organization than a single cell. Therefore, the structural level of a plant leaf is D: Organ.

Detailed explanation-2: -Similar to the other organs of a plant, a leaf is comprised of three basic tissue systems, including the dermal, vascular, and ground tissue systems. These three motifs are continuous throughout an entire plant, but their properties vary significantly based upon the organ type in which they are located.

Detailed explanation-3: -Levels of organization for structure and function of a multicellular organism include cells, tissues, organs, and organ systems. 1.1f Many plants have roots, stems, leaves, and reproductive structures. These organized groups of tissues are responsible for a plant’s life activities.

Detailed explanation-4: -Plant Organ Systems. Vascular plants have two distinct organ systems: a shoot system, and a root system. The shoot system consists stems, leaves, and the reproductive parts of the plant (flowers and fruits).