The genetic feedback mechanism in the human population . Rebellious Angels 1° Homo sum, nihil humani a me alienum puto. (Publio Terenzio Afro) In the last 200 years man seems definitely directed to the overcoming of the classic Prefactors limiting the number of other animal species. Predation hasn’t been a problem any longer for centuries:hearing a human being has been torn to pieces by a big predator is now only a curiosity.