Which of the following are less complex on the organizational scale than organs?
A) systems and organisms
B) tissues and systems
C) cells and tissues
D) chemical and systems
E) cells and systems

Question

Quizplus · Accepted Answer

Cells and tissues are less complex on the organizational scale than organs. Organs are composed of multiple tissues, which are in turn composed of multiple cells. Therefore, both systems and organisms (A), tissues and systems (B), and cells and systems (E) are more complex than tissues alone. Chemical and systems (D) is not a valid comparison as it does not include any anatomical structures.

Which of the Following Are Less Complex on the Organizational