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Emergence of agriculture and writing - Coggle Diagram

- - - - Creativity began 40,000 years ago par excellence: art. The first things that appeared were lines, circles and symbols carved in stones (petroglyphs); then, small sculpted bone objects and, 30,000 years ago, the cave painting on the walls of caves: hands, human, and animal silhouettes, probably related to myths and beliefs.
        
        In the cold areas, they needed animal skins to cover themselves and to hunt better; they invented the spear, the bow; and, to separate the flesh of the skin, better burins, chisels and flint knives.
- - - - The populations mastered the cultivation techniques: fertilizer, irrigation, seed selection and conservation of the surpluses, as well as the breeds of domesticated animals and the quality of the tools used. This increased the harvested product, which was the third big change
      - The availability of more consumable calories brought the increase in population, the fourth big change. Biologists have estimated that the total world human population, 10,000 years ago, was between 5 and 10 million. After 8,000 years, this figure had become 300 million.