Final answer:
Jean-Jacques Glassner developed early evolutionary writing and described three mechanisms of evolution. The three mechanisms of evolution are natural selection, genetic drift, and gene flow.
Step-by-step explanation:
The French Assyriologist Jean-Jacques Glassner developed early evolutionary writing that described three mechanisms of evolution. It is important to note that Glassner's work was focused on the development of writing itself and not specifically on the mechanisms of evolution. However, he equates the development of writing, which gives meaning to a symbol, to the process by which Mesopotamian priests interpreted omens for divining the future. The three mechanisms of evolution that are widely accepted in biology are natural selection, genetic drift, and gene flow.