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Re: Definitions requested



On Fri, 19 Jan 1996, Gertsch wrote:

> 
> 
> On Fri, 19 Jan 1996, Stan Friesen wrote:
> [much snipping] 
> > Note, in one reference I have a case is made that dinosaurs, even
> > the large ones. were r-selected, rather than K-selected like large
> > mammals.  
> 
> What do "r-selected" and "K-selected" mean?
> 
R-selected = having many young, basically scattered unprotected into the 
world, of which few survive, like codfish and tapeworms.

K-selected = having few young, aggressively protected and carefully 
raised, of which most survive, like humans.

John McLoughlin