Fw: Stupid "Theories"

["Thomas de Wilde" <jedimr_thomas@hotmail.com>]

Wait this is not that stupid, what if the chromosome determination was an
evolution in neorniths this could explain the exstinction of all the others
quite well, but still why didn't crocs die out.

oh btw< has anybody read dinotopia, there they also give a temperature sex
regulation

Thomas

----- Original Message -----
From: "Richard W. Travsky" <rtravsky@uwyo.edu>
To: "Simon M. Clabby" <dinowight@yahoo.co.uk>
Cc: "Dinosaur Mailing List" <dinosaur@usc.edu>
Sent: Friday, April 23, 2004 6:36 PM
Subject: Re: Stupid "Theories"


> On Fri, 23 Apr 2004, [iso-8859-1] Simon M. Clabby wrote:
> > I'm working on a website at the moment called "Stupid
> > Dinosaur 'Theories'", in which I include some of the
> > more unlikely, and in some cases frankly stupid,
> > "theories" that have been published about dinosaurs in
> > the past, and I would be interested in some of your
> > ideas.
> > [...]
>
> This might fall in the unlikely category:
>
> http://news.bbc.co.uk/1/hi/sci/tech/3647115.stm
>
> Fewer females wiped out dinosaurs
>
> Too many males may have been the reason the dinosaurs died out 65 million
> years ago, say Leeds University scientists.
>
> They believe the dinosaurs could have been like modern-day reptiles such
> as crocodiles whose sex depends upon the temperature before they are born.
>
> The idea is that the asteroid which struck changed the world's climate,
> causing it to be cooler and leading to the birth of a preponderance of
> males.
>
> The male-female imbalance would have led to the dinosaurs' extinction.
> ...
> David Miller, of the University of Leeds, and colleagues ran an analysis
> that showed a temperature shift could theoretically have led to a
> preponderance of males among the dinosaurs.
> ...
>
>