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RE: 'Kitchen science' reveals dinosaurs died in agony
> -----Original Message-----
> From: owner-DINOSAUR@usc.edu [mailto:owner-DINOSAUR@usc.edu]On Behalf Of
> David Marjanovic
> Sent: Wednesday, June 06, 2007 3:42 PM
> To: DML
> Subject: Re: 'Kitchen science' reveals dinosaurs died in agony
>
>
> > and is consistent with other data
> > including growth rates, increased pulminary capacity (air sacs in
> > saurischians), increased locomotor ability relative to more basal
> > archosaurs, and increased food-gathering and processing abilities
> > (most notably in ornithscians).
>
> ...and decreased (bone) cell size, reported in Nature not long ago.
>
Decreased cell size (a proxy for decreased genome length) is not an indicator
of elevated metabolism, however, as mammals (and ornithischians) lack this
trait (as pointed out in that very same Nature article).
Thomas R. Holtz, Jr.
Senior Lecturer, Vertebrate Paleontology
Department of Geology Director, Earth, Life & Time Program
University of Maryland College Park Scholars
Mailing Address:
Building 237, Room 1117
College Park, MD 20742
http://www.geol.umd.edu/~tholtz/
http://www.geol.umd.edu/~jmerck/eltsite
Phone: 301-405-4084 Email: tholtz@geol.umd.edu
Fax (Geol): 301-314-9661 Fax (CPS-ELT): 301-405-0796