[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: attack on dinosaur--horrific video
On 11/24/07, David Marjanovic <email@example.com> wrote:
> > OK...but the ways in which they were different may have had far reaching
> > consequences. The big one, in my view, was that the dinosaurs had to
> > become
> > sedentary one or more times a year. If they were unable to outdistance
> > other dinosaurs, then they would have to defend their nests. This by
> > itself
> > provided a selective advantage for even larger size, and all the
> > ecological
> > effects that came with it.
> Then we should see a driven trend to larger size throughout the Mesozoic,
> shouldn't we?
Shouldn't we also see a driven trend to larger size in Cenozoic
I'm not seeing why egg-predation by placentalians would affect
mesozoic dinosaurs differently from other egg-laying amniotes.
Why can't you be a non-conformist just like everybody else?