There are creatures originated on this planet when and happen? As a curiosity of human beings for a long time. In ancient times there was the belief that there are beings from God created life, believed to have occurred by nature and change as the creature based on the theory of birth by natural (Spontaneous theory) that the scholars of the era of the previous ideas, Tana (Thales), Ana SI (Anaximander) or American man Aristotle, etc.