According to evolutionary theory, women should be relatively more upset than men if they found out that their partner was falling in love with someone else because ____.
a.women are inherently more attached to their mates than men
b.long-term commitment is more important to women than it is to men
c.women are generally more emotional than are men
d.women become more jealous of same-sex rivals than do men

The adaptive relevance of within-species heterogeneity is highlighted by evolutionary theory. Depending on the environmental situation and the qualities of the organism, such as age, sex, health, or physical size, different biological and behavioral methods are optimal. It contends that the division of gender roles appears to be an adaptation to the difficulties that early humans faced in their context of evolutionary adaption.

People's minds are endowed with instincts that helped our ancestors live and procreate. Furthermore, long-term commitment is valued more by women than by men, according to evolutionary theory. It gives women a sense of security in a relationship. Women want to be able to trust a man and know that he has deeper feelings for them, sentiments that could result in a committed relationship and even marriage.

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