Explain the phase in the life of the organism before it can reproduce sexually.

(N/A) $\Rightarrow \quad$ Juvenile phase: Before reaching sexual maturity,all organisms must undergo a period of physical growth.
This phase is known as the juvenile phase.
In plants,this phase is referred to as the vegetative phase.
In humans,the juvenile phase typically lasts up to $12$ to $13$ years of age.