Which term best describes an organism that can contain up to five levels of organization to carry out life functions?

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.

a chair, a bed, and a toothbrush

explanation:

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."