Answer: levels of organization
Step-by-step explanation:
The levels of organization can be defined as cells→tissue→organ→organ system→ body. The cells of the body gets collected and perform a function. This combination of cells is known as tissues.
The tissues collectively is known as organ that perform a particular function. The tissues work together in an organ. Example: stomach, skin et cetera.
The organs combine together to form an organ system. The various types of organs in the body helps in the formation of the whole body and shows the levels of organization.