Key Idea.
Section 1
The Flipbook Analogy
Evolution is hard to see because it is slow. Think of a flipbook animation.
Each page (Generation) looks almost exactly like the one before it. A child looks very similar to their parents. You can hardly see the change.
Section 2
Gradual Transition
The transition from a land-dwelling ancestor to a modern whale took about 10 million years. It wasn't a sudden jump.
The fossil record shows the intermediate steps:
Expand to review the lesson summary and core properties.
Section 1
The Flipbook Analogy
Evolution is hard to see because it is slow. Think of a flipbook animation.
Each page (Generation) looks almost exactly like the one before it. A child looks very similar to their parents. You can hardly see the change.
Section 2
Gradual Transition
The transition from a land-dwelling ancestor to a modern whale took about 10 million years. It wasn't a sudden jump.
The fossil record shows the intermediate steps: