Question: What does Darwin do to show that his theory can support many theories that could not be explained by individual creation of species?
Sentence: The structure of Darwin's argument showed the influence of John Herschel, whose philosophy of science maintained that a mechanism could be called a vera causa (true cause) if three things could be demonstrated: its existence in nature, its ability to produce the effects of interest, and its ability to explain a wide range of observations.
Answer in sentence: no