Philosophy / Unit 3 Philosophy 0112 short lesson, about 20 seconds
Design Without a Designer
Captions available
The idea
Darwinian evolution explains adaptive order without foresight: variation, inheritance, and selection accumulate design-like results across generations.
In practice
The eye evolved through working intermediate stages—light-sensitive patches to pinholes to lenses—each useful in its time.
Where people slip
Evolution answers Paley's eye, not every design question—which is why the argument moved to physics.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Builds on
Unlocks
Something wrong in this lesson? Flag it · Sources for Philosophy