Answer: a) the majority of participants still fully
The term, that best describes an organism that can contain up to five levels of organization to carry out life functions IS MULTI CELLULAR.
A multi cellular organism refers to an organism that is made up of many cells. The cells in multi cellular organisms are found in five different levels, these are: cells, tissues, organs, systems and organism. The cell level is the most basic level while the organism level is the most advanced level. Multi cellular organisms can operate in all these five levels.
The correct option is A.
Multicellular organisms are made up of many different cells. Each type of cell perform a unique basic function which another type of cell can not perform. Cells are usually equipped to carry out their functions by their components, structures and sizes.