Which Experimental Procedure Could Be Used to Provide Evidence That

Which experimental procedure could be used to provide evidence that living organisms are dynamic systems?

A) Analyze the elemental composition of a living plant.
B) Follow radioactive carbon atoms in glucose molecules consumed by a mouse.
C) Measure water in a fungus by weighing before and after drying the fungus in an oven.
D) Compare DNA sequences in bacteria with DNA sequences in yeast.
E) Burn plant material in the presence of oxygen and determine the products of combustion.