An organ is a group of different tissue connected together to perform the main function and this applies to roots where we have the epidermal layer.
The correct answer is B. Organ.
How is the root system configured?
Roots are organized into cylinders, sectors (xylem and phloem of vascular cylinders), cell rows, packets and modules, and individual cells.
Plants are living organisms and have tissues, organs, and organ systems that follow the same tissue system.
Plants have two organ systems: 1) shoot system and 2) root system. The shoot system is above ground and includes organs such as leaves, buds, stems, flowers (if in the plant), and fruits (if in the plant).
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