[Solved] Which of the following is the best explanation for why cells are considered the smallest units of living things. A) Cells are highly ordered and complex. B) Cells are the simplest structure to fit all of the characteristics necessary to be considered alive. C) Cells have the ability to reproduce identical copies of themselves in a process called mitosis. D) Cells cannot be seen with the naked eye and are considered microscopic. Complexity: The state of having multiple interconnected parts or elements, leading to a system or problem that is difficult to understand, predict, or navigate. Tightness: In psychology, often refers to the strictness of social norms and the level of sanctioning within cultures or groups. Toughness: The quality or state of being strong and resilient mentally or physically, often in the face of hardship or adversity. Affiliation: The need or desire to build relationships or be part of a group.