Final answer:
Jolena, an early-maturing sixth-grade female, is experiencing physical changes associated with puberty at an earlier age compared to peers.
Step-by-step explanation:
Jolena, an early-maturing sixth-grade female, is experiencing physical changes associated with puberty. Early maturation refers to the onset of physical and sexual development at an earlier age compared to peers. It is important to note that every individual's development timeline varies, and early maturation can have both advantages and challenges.