A: Multicellular organisms are composed of more than one cell, while unicellular organisms are a single living cell. This difference determines the size and complexity of an organism, as well as the division of labor within it. Each kind of organism has its own set of survival benefits. Continue Reading
The correct sequence of increasing biological organization is: atom, molecule, organelle, cell. Flag This Answer As Incorrect Flag Answer Incorrect. Biology - Biology 160 - Chapters 1 to 4.
The number of elements in a period increases as you move down the periodic table because there are more sublevels per level as the energy level of the atom increases. Groups. Columns of elements help define element groups.