Examlex
The branch of biology that is concerned with naming and classifying species is:
Outward Sign
A visible, external indicator that may suggest something about a person's status, intentions, or condition.
Puberty
The period during which adolescents reach sexual maturity and become capable of reproduction.
Adolescent Growth Spurt
The first outward sign of puberty, refers to a rapid gain in height and weight that generally begins in girls at about age 10 and in boys about age 12.
Pubertal Timing
The period during which an individual undergoes physical changes to reach sexual maturity, which can vary greatly among individuals.
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