Question

Sort the following levels of organisation from the simplest (top) to the most complex (bottom).

• A. Cell
• B. Tissue
• C. Organ
• D. Organ system
• E. Organism

Answer 1

Cell is the basic unit of life. A group of cells that are similar in structure, work together to perform a specific function and forms a tissue. Group of tissues that have been adapted to perform a specific function forms an organ. The group of organs that work together to perform one or more functions form an organ system.