Speculative biology, or speculative evolution, is a term that refers to a very hypothetical field of science that makes predictions and hypotheses on the evolution of life in a wide variety of scenarios and is also a form of fiction to an extent. It uses scientific principles and laws and applies them to a "what if" question (for instance: "What if Homo sapiens never evolved?"). Since one cannot make a definite prediction of what would happen as a result of any "what if" questions, this topic uses a great amount of fiction and creativity to create a speculative world. As in alternative history, there is generally a point of divergence. The point of divergence is the key change between our history and that of the alternative history. For example, a point of divergence for the "what if" ques