Pyramidal structure

Figuratively showing the essence of any society or human or animal you can depict one of the oldest buildings built by mankind it is the Pyramid. At the top is the strongest clan of animals or people with power power wealth power. Next come who is weaker who is less noble less rich but their number is already larger and so on. Going down to the base of the pyramid one meets more and more poor and destitute weak and poor their number is disproportionately greater. The more unstable the pyramid is the more stretched it is the more unstable society is. And vice versa the less the pyramid is stretched the better the society lives. Constantly developing and improving creating a huge variety of animals and plants nature adapted these organisms to life on Earth. In the struggle for existence which is eternal only the strongest enduring adapted organisms remained to live. During the many millions of years of life on Earth a great number of species subspecies and varieties of organisms adapted to life on the planet were distinguished.