For the act, see: sex.
It is not obvious why there have to be two sexes.
But having two sexes rather than just being able to reproduce with anyone reduces the possible mating pool by half!
One of the key thesis of Power, Sex, Suicide by Nick Lane (2006).
Also mentioned at:
Analects translation by Robert Eno (2015) 16.7:
He seems highly censored by search engines as of 2024!
Pedobear with the Powerpuff Girls
. Source. But it's not something that he would do himself, unless under extreme cases.
Articles by others on the same topic
There are currently no matching articles.