Explanation: The development of C. elegans from a single cell shows extreme precision and coordination. Mutations early in its development are overwhelmingly destructive, posing a serious challenge to the Darwinian claim that new body plans evolved through gradual mutations and natural selection.

Explanation: Dr. Nelson explains that common descent assumes abstract ancestral organisms (like “urbilateria”) that are not observable. This makes the theory speculative and unable to be confirmed by empirical data, unlike actual observed creatures at the tips of the evolutionary tree.

Explanation: Generative entrenchment refers to how early developmental decisions in organisms like C. elegans have high “causal responsibility.” Changes early in development affect everything downstream, making significant mutations nearly always harmful.

Explanation: Marshall admitted that to account for macroevolution, early genomes must have changed rapidly and in coordinated ways—though we have no known biological mechanism that would allow for such coordinated change without destructive consequences.

Explanation: Eric concludes that if evolution can’t explain the complexity of life—even in a tiny worm—then the only remaining explanation is that we were created by God on purpose and for a purpose.