Part 2, Chapter 9 Summary

Evolution is always at work. A person cannot see the tiny changes, but the changes are happening. Darwin had evolution in right in front of him but did not see it. He could not believe he would ever observe evolution as it occurred because he believed evolution was a slow process. In 1855, four-fifths of the birds on his property died. If he would have been able to compare the dead birds to those that survived, he may have seen evolution at work. Peter Grant loves talking about variations in relation to evolution and this comes through in his lectures.

Darwin, the Grants, and others in the field of evolutionary science have theorized or demonstrated natural selection within evolution. They all wanted to know what leads to a new species.

Since Darwin, the field of science has debated back and forth as...