Define the following terms:
$(i)$ Entropy
$(ii)$ Metabolism

(N/A) $(i)$ Entropy: $A$ measure of the degree of disorder or randomness in a system is called Entropy.
$(ii)$ Metabolism: The sum total of all chemical reactions occurring in a living organism is called metabolism. It involves a constant alternation of building up processes (anabolism) and breaking down processes (catabolism),which enable organisms to grow,reproduce,and maintain their structure.