Re: "Oxygen Helped Mammals Grow, Study Finds"

[Rodlox R <rodlox@hotmail.com>]

> From: Phil Bigelow <bigelowp@juno.com>
> Reply-To: bigelowp@juno.com
> To: Subject: Re: "Oxygen Helped Mammals Grow, Study Finds"
> Date: Thu, 29 Sep 2005 20:55:52 +0000 (pd)


> Here's another interesting corrolary.  I wonder if the authors considered
> it as they were preparing their manuscript:
>
> If the 10% O2 figure is correct (for SEA LEVEL), then the anoxic altitude
> would have been vastly lower than it is today.  Meaning that even
> moderate elevation mountains in the early Jurassic may have been totally
> devoid of all animal life.

reading that, my first thought was "is *that* why sauropods were built to 
keep their heads low?"


though it'll certainly reduce any need to speculate about what 
mountain-dwelling vertabrates were like, back then.
*shrugs*