Question

Which of these is a correct order of biological levels of organization(smallest to largest)?
a Cell, Tissues, Organ, Organ System, Organism
b Organism, Organ system, Organ, Tissue Atom
c Organ, Organism, Tissue, Cell, Organ system

Answer 1

The correct order of biological levels of organization from smallest to largest is:

a) Cell, Tissues, Organ, Organ System, Organism

So, option "a" is the correct choice.