A giraffe grows from a zygote to an 18-foot-tall adult while keeping its organs and systems coordinated. Limits to variation is a significant point to clarify.
He also answers another objection, namely that our uniform experience with designing minds is that minds are embodied in material brains.
Darwinian theory is a more than just an idea about origins. The reasons it arouses the passion it does go beyond science.
The theory of intelligent design understands living systems to be engineered systems.
“Does our universe point to God? Do molecules show evidence of foresight? Were humans produced by intelligent design?”