Which Statement Provides Evidence That Living Organisms Undergo Constant Change

Which statement provides evidence that living organisms undergo constant change?

A) Living organisms contain molecules that can be combusted to form carbon dioxide and water.
B) Living organisms contain a large variety of molecules of many different sizes and types.
C) Living organisms are composed of cells that function using chemical reactions.
D) Living organisms follow the same laws of chemistry and physics that nonliving things follow.
E) Living organisms are composed mainly of the elements carbon, hydrogen, oxygen, and nitrogen.