Which of the following is a complex biochemical process occurring in a living organism?

Which of the following $statement(s)$ is/are correct?
$(i)$ All living organisms have the ability to respond to environmental stimuli which could be physical,chemical,or biological.
$(ii)$ Plants respond to external factors like light,water,temperature,other organisms,pollutants,etc.
$(iii)$ Photoperiod affects the process of reproduction.
$(iv)$ Human being is the only organism who has self-consciousness.

Why are living organisms classified?

In multicellular organisms, . . . . . . refers to the production of progeny possessing features more or less similar to those of parents.

Match the levels of biological organization in Column-$I$ with the corresponding scientific field in Column-$II$:

Column-$I$ (Biological Level)	Column-$II$ (Scientific Field)
$(a)$ Tissues	$(i)$ Ecology
$(b)$ Atoms	$(ii)$ Biology
$(c)$ Species	$(iii)$ Physics
$(d)$ Organisms	$(iv)$ Cell Biology

In plants and animals,growth is observed up to which stage respectively?