Re: "Dinosaurs Died Within Hours After Asteroid Hit Earth..."

[Mickey Mortimer <Mickey_Mortimer111@msn.com>]

John Bois wrote-

> > But it does tell us Mesozoic neornithines were ecologically diverse,
just as
> > Maastrichtian enantiornithines were.  So finding an ecological excuse
for
> > why only neornithines survived seems futile.
>
> Can you clarify what you mean by "ecological" here: of the two broad
> explanations (predation/competition vs. accidental survival or magic
> bullet effects of huge environmental change)?

I mean reasons that involve their niche- where they live, how and what they
feed on, how they locomote, etc..

Mickey Mortimer