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Re: Low Oxygen Levels Contributed To Permian/Triassic Dying



Key word here is "surviving". Also, I have to confess
ignorance of the word "instinction" in this context.
Could I get a definition?
 
--- zbbrox@aol.com wrote:
> >>Assuming estimates of O2 levels are accurate, the
> separation of populations in low-lying areas should
> have resulted in an increased rate of
> speciation among surviving groups...<<
>  
> Not if the populations were spread so thin as to
> deny access to proper breeding stock. Inbreeding
> would lead to instinction and hinder repopulation,
> as the article implies.
>  
>