On Tue, Apr 15, 2014 at 12:44 AM, Russell Standish <[email protected]>wrote:

> On Mon, Apr 14, 2014 at 01:51:22PM +0200, Telmo Menezes wrote:
> > Hi Alberto,
> >
>
> > So who knows what our biological program looks like or how complex it is?
> > There are compelling reasons to think that it is very complex indeed. For
> > example: a counter-intuitive empirical observation is that the propensity
> > to procreate diminishes with prosperity. This simple observation already
> > falsifies the algorithm you propose. It could be that we have several
> modes
> > of operation: under scarcity try to have as much offspring as possible,
> > betting that some will make it -- this would be survival mode. Under
> > prosperity, bet on a high likelihood of survival of any offspring, and
> > instead avoid diluting the resources, in an attempt of maximising the
> > quality of the partners that your offspring can find. All of these is
> pure
> > speculation of course -- just like yours.
> >
>
> Biologists call your "survival mode" r-strategists (for
> r-selection). The other mode, involving extensive investment in
> offspring are known as K-strategists.
>
> Humans are inveterate K-strategists. Rabbits (or cockroaches) are
> r-strategists.
>
> The r and the K come from the logistic equation
>
>    dx/dt = rx(1-x/K)
>
> where r is the reproductive rate (net of births & deaths) and K is the
> environmental carrying capacity.
>

Nice. Thanks Russell!


>
> Cheers
>
> --
>
>
> ----------------------------------------------------------------------------
> Prof Russell Standish                  Phone 0425 253119 (mobile)
> Principal, High Performance Coders
> Visiting Professor of Mathematics      [email protected]
> University of New South Wales          http://www.hpcoders.com.au
>
>  Latest project: The Amoeba's Secret
>          (http://www.hpcoders.com.au/AmoebasSecret.html)
>
> ----------------------------------------------------------------------------
>
> --
> You received this message because you are subscribed to the Google Groups
> "Everything List" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to [email protected].
> To post to this group, send email to [email protected].
> Visit this group at http://groups.google.com/group/everything-list.
> For more options, visit https://groups.google.com/d/optout.
>

-- 
You received this message because you are subscribed to the Google Groups 
"Everything List" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To post to this group, send email to [email protected].
Visit this group at http://groups.google.com/group/everything-list.
For more options, visit https://groups.google.com/d/optout.

Reply via email to