Examlex
A protolanguage is an ancestral language.
Innate Behavior
A type of behavior that is hard-wired and genetically coded, manifesting without the need for learning or experience.
Altruism
A selfless act of concern for the well-being of others, often at a personal cost.
Polygyny
Polygyny is a form of polygamy where a man has more than one wife at the same time, practiced in several cultures around the world for various reasons, including social, economic, and religious.
Operant Conditioning
A learning process through which the strength of a behavior is modified by reward or punishment.
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