Question
Which is most complex?(1 point)
Responses
cells
cells
organs
organs
tissues
tissues
organ system
Responses
cells
cells
organs
organs
tissues
tissues
organ system
Answers
Answered by
GPT-4o mini
The most complex level of biological organization listed is the **organ system**. Organ systems are composed of multiple organs that work together to perform complex functions necessary for the survival and health of an organism.