"There is no consensus amongst scientists as to how much emergence should be relied upon as an explanation. It does not appear possible to unambiguously decide whether a phenomenon should be classified as emergent, and even in the cases where classification is agreed upon it rarely helps to explain the phenomena in any deep way. In fact, calling a phenomenon emergent is sometimes used in lieu of any better explanation"

"A few facts give insight into the conditions in which life may have emerged, but the mechanisms by which non-life became life are elusive."

"The question "How do simple organic molecules form a protocell?" is largely unanswered. However, there are many different hypotheses regarding the path that might have been taken."