What changes seen in boys and girls when they attain sexual maturity.

Sexual Maturity is Puberty so The difference between them is the changes that they experience during puberty

Reaching sexual maturity is reaching puberty. When boys and girls reach puberty they experience lots of changes such as widening hips, larger breasts, and the menstrual cycle for girls and deeper voice, body hair, and more muscles for boys.

Hope this helps.

answer; i believe the correct answer is (replication is not conservative);