On Tuesday, April 8, 2014 6:51:13 PM UTC-4, Liz R wrote: > > On 9 April 2014 04:58, Craig Weinberg <[email protected] <javascript:>>wrote: > >> On Monday, April 7, 2014 11:03:35 PM UTC-4, Liz R wrote: >> >>> There is an element of this in all evolutionary explanations, but only >>> until we are in a position to gather enough evidence to make a call for or >>> against some idea. Evolution has been observed in action, to a limited >>> extent, and the links between genes and various behaviours, structures etc >>> is becoming clearer, so we have a better idea as time goes on what >>> mechanisms have evolved and why. >>> >>> For example I recently read something about zebra's stripes being "for" >>> protecting them from insects (I think it was) rather than making them >>> harder for carnivores to spot. This was because someone had done some >>> experiments to distinguish between several theories of what advantage the >>> stripes gave. >>> >> >> Sure, but mechanisms which have an effect on the world of the body need >> not have an impact on something that doesn't (like dreams). >> > > ???? Sorry old chap could you clarify ???? >
Dreams need not have any possible evolutionary justification, since their presence or absence is irrelevant to behavior. -- 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.
