Here's why:
* Molecule: The simplest level, consisting of two or more atoms bonded together.
* Tissue: A group of similar cells working together to perform a specific function.
* Organ: A structure made of different tissues that work together for a common purpose.
* Cell: The fundamental unit of life, capable of carrying out all life processes.
* Organism: A complete living being made up of multiple organ systems.
Therefore, an organism encompasses all the other levels, making it the most inclusive.
