The levels of organization the best represents the sequence from smallest to largest units is cell, tissue, organ, and organ system.
- The cell represents the smallest and basic unit of all living organisms.
- Tissues are aggregates of cells performing similar functions.
- Organs are made of different similar tissues
- Organ systems are a collection of different organs coming together as a system to perform specific functions. Examples include the respiratory system which is made up of organs like lungs, windpipe, nose, mouth, etc.
More on different levels of organization of living organisms can be found here: https://brainly.com/question/6033339?referrer=searchResults
