Question

Humans and other complex organisms have a hierarchical system of organization. Which of the following statements is true regarding this system of organization?

A.
Atoms are made of cells.

B.
Organs are made of organ systems.

C.
Cells are made of tissues.

D.
Organs are made of tissues.

Answer 1

D Organs are made of tissues

Step-by-step explanation:

B is wrong because organ systems are made of organs

C is wrong because tissues are made of cells

A is wrong because cells are made of atoms