Biology 11th Edition by Gerald Audesirk,Teresa Audesirk,Bruce Byers

Exercise 14

Georges Cuvier espoused a concept called ______________ to explain layers of rock with embedded fossils. Charles Lyell, building on the work of James Hutton, proposed an alternative explanation called ______________, which states that layers of rock and many other geological features can be explained by gradual processes that occurred in the past just as they do in the present. This concept provided important support for evolution because it required that Earth be extremely ______________.