Question

All living organisms are composed of Question 4 options: only one cell. one or more cells. at least 100 cells. at least three cells.

Answer 1

A cell is the smallest unit that is typically considered alive and is a fundamental unit of life. All living organisms are composed of cells, from just one (unicellular) to many trillions (multicellular). Cell biology is the study of cells, their physiology, structure, and life cycle.