Based on the levels of biological organization,what does the part labeled "$P$" indicate in the branches of science?

Match the following correctly:

$(A)$ Growth	$(i)$ The number of organisms of each species remains limited
$(B)$ Development	$(ii)$ New organisms differ from their parents and create new species
$(C)$ Death	$(iii)$ Organisms increase in body size after birth
$(D)$ Adaptation	$(iv)$ Organisms change their body structure,functioning,or behavior to adjust to the environment
$(E)$ Variation	$(v)$ Cells of the zygote undergo changes according to their specific functions
	$(vi)$ Organization of membranes and membrane-bound organelles by macromolecules

Which of the following are unique features of living organisms?

Based on the levels of organization in biological sciences,what does the part marked '$P$' represent?

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

Study the four statements $(A-D)$ given below and select the two correct ones out of them.
$A.$ Definition of biological species was given by Ernst Mayr.
$B.$ Photoperiod does not affect reproduction in plants.
$C.$ Binomial nomenclature system was given by $R$.$H$. Whittaker.
$D.$ In unicellular organisms,reproduction is synonymous with growth.
The two correct statements are: