Larson 2

what is the larger pattern of this chapter?

If you take fossils seriously why not just describe this as a stepwise creation?

more and more research on fossils made it clearer and clearer that different plants and animals had lived over time
discovery of a monosaurusgeological strata

Once you see progressive development, the idea of evolution is tempting but seen as dangerous

to get to a scientifically useful theory of gradual evolution of species you need