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Re: Gastric stones of dinosaurs were not for milling food !
----- Original Message ----
From: David Marjanovic <email@example.com>
To: DML <firstname.lastname@example.org>
Sent: Saturday, December 30, 2006 2:14:37 PM
Subject: Re: Gastric stones of dinosaurs were not for milling food !
> For those who don't mind questioning the steady-state N2 partial pressure
> assumption: as any farm boy knows, the application of nitrogen fertilizer
> to pastures increases both mass-specific biomass nutritional values and
> per acre biomass production per unit time. It seems logical on a
> 'mechanical' basis that a lightning stroke would produce free nitrogen in
> proportion to N2 partial pressure, w/ obvious implications for herbivores,
> although the response of nitrogen-fixing bacteria to an increase in
> ambient N2 pressure is unclear, at least to me.
Cycads live in symbiosis with N2-fixing cyanobacteria...
> there are obvious attractions for those who wonder how in the heck those
> huge critters gathered enough leaf-mass in the course of 24 hours to
> support themselves.
That "problem" has been solved long ago:
---------- By who? We talking models, or guess-timation?
have a look at the size of a
sauropod skull, and then take into account that they didn't waste time
chewing. Not everyone is a mammal.
--------- I assume you refer to metabolism when you reference mammals. Could
you expand a little?