Select the true statement for reproduction.
I.    It is not an all-exclusive defining characteristic of living organisms.
II.   It is not an all-inclusive defining characteristic of living organisms.
III.  It is an all-inclusive defining characteristic of plants and fungi only.
IV.  Photoperiod affects reproduction in seasonal plant breeders only.
V.  Photoperiod affects reproduction in seasonal breeders both plants and animals.
VI. Photoperiod has no role in reproduction.