in different countries and in different ages philosophers, scientists and researchers have puzzled over the question of the formation of life on Earth and the appearance of the person directly.This phenomenon is still a mystery to solve that, perhaps, will be the power of our posterity.Today, there are plenty of theories dealing with the question of how man appeared on Earth, and when it happened.
Though a lot of versions and they all involve different periods and ways of appearance of the first humans, but the hypothesis can be divided into four large groups.The most common version of how man appeared on Earth, is the theory of evolution.It was her children study in school biology classes, and this hypothesis is shared by most scientists.
According to evolutionary theory, the man walked the difficult path of rebirth from primates to erect modern individual.The modification occurred through natural selection, when the survival of the fittest and most intelligent.It takes place in four stages.The first phase - the emergence of erect monkeys Australopithecus, which lived in herds and could with their hands to manipulate various objects.The second phase - the appearance of Pithecanthropus, learned to use fire.The third stage - the Neanderthal man, who resembled a human skeletal structure.The fourth stage - the emergence of modern humans.It is assumed that he came to the late Paleolithic period, that is, about 70 thousand years ago.
This theory does not fully explain how a man appeared on Earth, because scientists can not find confirmation manifestations of mutations that contribute to the improvement of the species.Usually, they act contrary to impair individual genes.
among believers spread religious theory of the origin of man on earth.Every nation has its own version, but they all agree to the fact that human beings are created by God from nothing.In the biblical version, Adam and Eve were created from clay, in other religions, their hypotheses.This theory does not require confirmation, the main thing - it is faith.
There is the hypothesis of extraterrestrial intervention, that is, on our planet originated life thanks to other civilizations.It turns out that the man is a descendant of aliens, who flew in ancient times to our planet.There are several versions:
- happened interbreeding of human ancestors and aliens.
- People have been produced in vitro.
- intelligent man came through genetic engineering.
- Extraterrestrial intelligence controls the evolutionary development of life.
about how man appeared on Earth, argues the theory of spatial anomalies.It recalls the evolutionary hypothesis, but there is added a definite program of random factors and life.It turns out that there is some kind of humanoid triad or spatial anomaly.If conditions are favorable, it will appear humanoid intelligence.
Scientists have not figured out until the end and then, when a man appeared on Earth.According to evolutionary theory, this occurred about 70 thousand years ago, but the religious version is the emergence of the first people just 7500 years ago.The truth, as always, in the middle, maybe in the future mankind will be able to reveal the secrets of their origin.
