Select the appropriate option regarding $Hydra$.

Which of the following statements is incorrect?
$(i)$ Bamboo species flower only once in their lifetime,generally after $50-100$ years,produce a large number of fruits,and die.
$(ii)$ In animals,the juvenile phase is followed by morphological and physiological changes prior to active reproductive behaviour.
$(iii)$ The reproductive phase is of the same duration in all organisms.
$(iv)$ The juvenile phase is the period of growth between the birth of an individual until it reaches reproductive maturity.

Diploid zygote is universal in

Hydra reproduces through

For which of the following organisms is there no natural death?

Why is the offspring formed by asexual reproduction referred to as a clone?