[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

Re: Theories on the extinction of dinosaurs



--- John Bois <jbois@umd5.umd.edu> wrote:

> Plenty of other, similar
> living things survived
> the K/T.  What, then, was the targeting mechanism
> such that, among
> vertebrates, non-avian dinosaurs were _selected_
> against?  Providing a
> plausible explanation for this (even as an
> hypothesis) is a
> challenge we must face.

Hypothesizing about a targeting mechanism is quite a
challenge here, as a diverse array of life-forms (many
of which were not non-avian dinosaurs, including
plenty that were marine) were "selected" as well.


=====
Larry

"I've been ionized, but I'm okay now."

http://members.tripod.com/~megalania/index.html
__________________________________________________
Do You Yahoo!?
Bid and sell for free at http://auctions.yahoo.com