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Re: Triassic dinosaur evolution

And if one can't fathom the relationships of a group such as the (invertebrate) Tardigrada, elevate it to a Phylum.


Dann Pigdon wrote:
Quoting James Farlow <farlow@ipfw.edu>:

But it seems to me that whenever vertebrate paleontologists can't
figure out an obvious function for a structure, the default explanation is
that it had something to do with sex.

There are certain default explanations in various scientific fields that are taken for granted:

* If you don't know what a biological structure was for, then it was a 'display 

* If you don't know what a human artefact was used for, then it was a 'ritual 

* If you don't know what a gene does, then it's 'junk DNA' (at least this one is falling by the wayside these days)

* If you can't reconcile real observations with the theories of physics, then there must be some unknown particle/energy at work that has yet to be discovered (because long-accepted theories *can't* be wrong).


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