Answer:
Atoms - Cells - Organs - Organ Systems - Organism
Explanation:
The Sun is larger than the earth, so that is incorrect.
Organisms are made up by smaller organs, so that is incorrect.
Cells are bigger than atoms, so that is incorrect.
Atoms are smaller than cells, check. Cells are smaller than organs, check. Organs are smaller than organ systems, check. Organ Systems are smaller than Organisms, check.
