Which of the following are unique features of living organisms?

Statement $X$: The study of classification is necessary for the identification and study of organisms.
Statement $Y$: Organisms exhibit diversity in terms of structure,function,and behavior.

The scientific name $Rattus$ $rattus$ is an example of:

Match the items in Column $X$ with Column $Y$ and select the correct option:

Column $X$	Column $Y$
$(1)$ Death	$(P)$ Measure of disorder
$(2)$ Earthworm	$(Q)$ Proponent of New Systematics
$(3)$ Entropy	$(R)$ Process maintaining life continuity
$(4)$ Huxley	$(S)$ Annelida
$(5)$ Reproduction	$(T)$ Process maintaining population size

About how much water is recycled in the form of rains per year?

Which of the following $statement(s)$ is/are correct?
$(i)$ Classification is providing standardized names to organisms such that a particular organism is known by the same name all over the world.
$(ii)$ Taxonomy is the correct description of an organism and its recognition in its scientific name.
$(iii)$ The system of naming with two components (binomial nomenclature) was proposed by Carolus Linnaeus.
$(iv)$ Zoological names are based on the International Code for Zoological Nomenclature $(ICZN)$.