Napping feels like I'm simply taking care of a recurring biological need. As I mentioned previously, it's similar to getting the urge to go to the bathroom.
For languages, the explanation may be a cultural rather than biological need to distinguish populations.
The social science middle-ground, lately known as sociobiology, claims that we learn at least some specific cultural behaviors on the basis of biological need and evolution.
Human needs include biological needs and cultural needs. The biological need is the need for healthy survival and the cultural need is the need for the happiness of humanity.
Most young women feel a biological need to procreate.
