[cookcounty]

"evolutionary theory would be falsified (or at least greatly modified) if plants and animals (and others) were not classifiable into tree structures"

Distracted by this game (what's the probability of that?

You can put anything into tree structures, including oldsmobiles and football franchises.

[Right Wing Professor]

You can put anything into tree structures, including oldsmobiles and football franchises.

No you can't. If you took a 100 amino acid protein, and put ten sets of ten different random mutations in it, the sets would be uncorrelated. You won't get a meaningful tree from that.