2 ms·
not simple, just not fossilized. complex things would not have been fossilized if they were not in an area conducive to fossilization. natural selection assumes
by vmception 6y ago
not simple, just not fossilized. complex things would not have been fossilized if they were not in an area conducive to fossilization. natural selection assumes rapid iteration, so for every evolution tree, you have to imagine thousands of more variants at each step, not shown and not fossilized.
- paulryanrogers 6y agoYeah I was thinking I should've written 'fragile'. And many environments aren't suited to preserving evidence for billions of years.