Question

One of the finest available sequences of fossils shows how horses have changed slowly and by subtle steps from small, shrub-browsing ancestors to the large, grass-grazing modern horse. a large number of fossil species have been named, and it is often difficult to decide on the identity of a fossil horse because transitional forms are common. this record of evolution best fits the idea of

Answer 1

This fact pattern best fits the idea of the Gradualism Model. This particular model focuses on how species slowly grow and change through evolution over time. Essentially, the model is that species will very slowly change into another type of species as time passes.