Evolution is defined as the change in frequency of certain traits across generations. The accumulation of new traits may lead to new characteristics or even new species over time. This means that, with time, enough changes can lead to the formation of a new species. Evolution is a continuous, extremely gradual process that has created…
Tag: natural selection
Evolutionary Reasons for Incest Taboos
Why do Incest Taboos Exist? Incest is defined as sexual relations occurring between people so closely related that they are forbidden by law to marry each other.1 Throughout history, human societies have demonstrated an aversion towards incest. Even those living in societies without explicit legal systems exhibit a negative reaction to the idea of incest. The…