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Neurobiologist Robert Sapolsky constructed a reproductive spectrum with opposite poles being tournament species, in which males compete fiercely for reproductive privileges with females, and pair bond arrangements, in which a male and female will bond for life.
These species-particular behavior patterns provide a context for aspects of human reproduction, including dating.
New types of relationships formed; it was possible for people to live together without marrying and without children.
Information about human sexuality grew, and with it an acceptance of all types of sexual orientations is becoming more common.
These people will have dates on a regular basis, and they may or may not be having sexual relations.
Humans have been compared to other species in terms of sexual behavior.
Today, the institution of dating continues to evolve at a rapid rate with new possibilities and choices opening up particularly through online dating.