Question Detail
Question
In the hierarchy of biological organization, which level comes immediately after organ systems?
Correct Answer
Option B is the correct answer.
Detailed Explanation
The typical hierarchy is: Atoms → Molecules → Organelles → Cells → Tissues → Organs → Organ Systems → Organisms → Populations → Communities → Ecosystems → Biosphere.
Hint
Think from small to large: after systems of organs comes the whole living individual.