The fundamental flaw in the conventional approach to understanding life is that we think we can fully understand the whole by looking at the individual parts.
The standard narrative tells a story of the increasing merit of materialistic causes. All of this allegedly occurs in a series of inevitable stages.
Some ID supporters agree with universal common descent, but many ID supporters argue against the idea that all life shares a common ancestor.
The evidence from science is clear, but with the discussion of philosophical questions, the necessity of a Creator becomes overwhelming.
The last few chapters deal with subjects that theistic evolutionists like to use against ID: Aristotle, Aquinas, and randomness.