weights

Tom DiBenedetto tdib at UMICH.EDU
Thu Mar 6 06:58:14 CST 1997


 Richard Zander wrote:

>I thought evolution was a process. Patterns are okay for classification,
>but evolutionary trees chart processes, don't they? even if they are
>only nested sister groups.

No, they reveal patterns. Processes can be inferred from those
patterns. What "process" do you see in a stick diagram without making
inferences from the pattern?

> Since species evolve, not characters,

Characters certainly evolve.

I'm sorry, but I cant make heads or tails out of the rest of the
posting. Perhaps if we could agree on the above two points, the rest
would start to fall out....




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