Original sentence: According to Dawkins, it is a mistake to assume that an ecosystem or a species as a whole exists for a purpose.And Dawkins wrote at the end:
Edited sentence: And Dawkins says it best:.As Dawkins puts it, "it is easy enough to live a bit longer, if you are cosseted at the expense of the next generation.Dawkins shows that it is a mistake to assume that an ecosystem or a species as a whole exists for a purpose