What is the evolutionary reason for having males and females?

When trying to determine the why question, it is usually more objective and more typical to look at when in science. read more

In general, I'd say this situation has evolved because females do not need to be physically stronger: the male of the species has evolved to be physically stronger in order to protect the female, fight predators, compete with other males for precedence in the group etc. read more

So the more bald you look the more attractive you are to females who think you must be of a high status to have achieved such baldness, therefore genetic baldness would mimic groomed baldness and would be evolutionary advantageous. read more