Which is one of the five characteristics of life?

One characteristic of life is that living things have different levels of organization - They have both molecular and cellular organization - They must have the ability to organize simple substances into complex ones. - They organize cells at several types of levels, namely: (a) Tissue - a group of cells that perform a common function (b) Organ - A group of tissues that perform a common function. (c) Organ system - a group of organs that perform a common function. (d) Organism - any complete living thing.