xtifr
Graduate Poster
- Joined
- Apr 10, 2012
- Messages
- 1,299
Second, technically speaking the down direction in that figure isn't time in phylogenies. In phylogenies, time isn't a factor.
Yes, but he created that chart to show both phylogenetic difference and time difference. It's a combined chart. Which is actually a fairly common thing to do in charts for a lay audience.