Final answer:
Organs are categorized by their support roles within an organism, which can be further organized into organ systems.
Step-by-step explanation:
The blank are categorized by structure and function, while the blank is categorized by their support roles. The correct answer is Option 3) Organs, Systems.
In biology, organisms are composed of different levels of organization, starting from atoms and molecules, to cells, tissues, organs, and ultimately, organ systems. Organs are structures composed of one or more types of tissues that work together to perform a specific function. For example, the brain is an organ composed of nervous tissue that controls various functions in the body.