-Which two languages shown on the family tree do NOT share a common ancestor?
Definitions:
Secondary Sexual Characteristics
The physical traits that emerge during puberty which are not directly involved in reproduction but distinguish the two sexes, such as breast development in females and facial hair in males.
Primary Sexual Characteristics
The biological and physical characteristics present at birth that are directly involved in reproduction, such as the ovaries in females and testes in males.
Tertiary Sexual Characteristics
Traits influenced by hormones that differentiate between sexes but are not directly part of the reproductive system, often developing during puberty.
Object Permanence
The realization by infants that objects still exist even when they are out of sight, sound, or touch.
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