Archived posting to the Leica Users Group, 2003/11/19
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Marc James Small wrote: > > At 10:41 AM 11/19/03 -0700, Kit McChesney wrote: > >The reason war is so "robust" as you say, as ever, is because it is comes > >from the part of the brain that is the most primitive, that hind-end part we > >share with reptiles. > > A minor quibble, Kit. Mammals (synapsids) are not descended from lizards, > snakes, and crocodiles (diapsids), while turtles (anapsids) are an entirely > different matter as well. All three groups descend from the advanced > amphibians of the late Carboniferous, so, yes, we do share some brain > structure with the others but, really, the organization is quite a bit > different. > > It is best to realize that, today, we have the ambphibia, anapsida > (turtles), synapsida (mammels), and diapsida (lizards and snakes, the > tuatara, crocodilians, and archosaurs (birds)). > > Marc Marc I think you cheated and looked some of that stuff up! Mark Rabiner Portland, Oregon USA http://www.rabinergroup.com - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html