Which of the following is a characteristic property of a living organism?

$1 \text{ Å}$ is equal to .....

In living organisms,the amount of free energy in terms of entropy...

Which of the following characteristics may not be seen in all living organisms?

In majority of higher animals and plants,$ . . . . . . $ and $ . . . . . . $ are mutually exclusive events.

Statement $A$: The number of individuals of each species remains limited due to death.
Reason $R$: Due to death,the materials forming the body of living organisms return to the environment.
Which option is correct for Statement $A$ and Reason $R$?