The Levels of Structural Organization from Least Complex to Most

Question

The levels of structural organization from least complex to most complex are as follows:
A) chemical, cellular, organ, tissue, system
B) cellular, organ, chemical, tissue, system
C) chemical, cellular, tissue, organ, system
D) chemical, system, tissue, cellular, organ

Accepted Answer

The correct order from least complex to most complex is chemical (involving atoms and molecules), cellular (cells are the basic units of life), tissue (groups of similar cells performing a specific function), organ (structures composed of different types of tissues), and system (groups of organs working together for complex functions).