Re: Limitations of the compartive method

--- In cybalist@yahoogroups.com, Piotr Gasiorowski <gpiotr@...> wrote:

> Likewise in biology: taxonomists have a zillion competing
> hypotheses about how to divide the birds (Aves) into smaller units and
> how those units are related to one another, but any ornithologist
> questioning the validity of Aves as a genetic unit (clade) would

rightly

> be considered a lunatic. There's A LOT of incontrovertible support for
> such a unit, more that for any particular bird order or family.

I think this particular example only applies to living organisms. If
you put Archaeopteryx in Aves, you again open up a host of problems!
Bakker possibly resolved this problem by putting Tyrannosaurus in Aves!

Richard.