The person undergoes various growth stages throughout their life. The development of adult-like characteristics during the life cycle is called puberty or adolescence.
Adolescence or puberty is a phase of growth and development in which the physical and reproductive characteristics of the person develops. This allows the differentiation between the girls and boys.
It is the transition period between childhood and adulthood. It is marked by an upsurge and hormonal changes that result in the development and maturity of the reproductive structures.
Puberty in girls is marked by an onset of menarche and other physical developments. In boys, many physical transformations occur that are marked by changes in voice, height, hair growth, etc.
Therefore, the initiation of the adult-like characteristics is called adolescence or puberty.
Learn more about adolescence and puberty here:
https://brainly.com/question/1378289
#SPJ5
