[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: AW: Heterodontosaurid with protofeathers
????????? Hair is such a good idea that something like it evolved atleast
twice; in mammals and in therapod dinosaurs (maybe all dinosaurs, maybe
not). It would have been in response to - the weather.
----- Original Message -----
From: "Amtoine Grant" <firstname.lastname@example.org>
Sent: Wednesday, March 18, 2009 5:56 PM
Subject: Re: AW: Heterodontosaurid with protofeathers
On 18-Mar-09, at 12:36 PM, evelyn sobielski wrote:
The really interesting question here - and it is one that is likely to
be swamped by a deluge of faux-feather headlines - is: why? What is the
use of such integumentary structures? It is hard to see them as
evolutionary neutral, so they are likely to have conferred some benefit.
What precisely did it evolve for?
If they actually evolved FOR something, they should at least give us a
good idea what the stimuli for it was (NOTE - I'm pretty sure this
"anticipated adaptations" train of thought is not how evolution actually
works). It would seem that