Fri, 2 Sep 2005 22:03:55 EDT Bemmzim wrote: >In a message dated 9/1/2005 11:03:06 AM Eastern Daylight Time, >[EMAIL PROTECTED] writes:
>>> PS: with all the reproductive isolation we've foisted upon dogs (not >>>to mention rats!) Why haven't we created any new species?-ljm >> >> We have. Dogs _are_ an artificial creation of Humanity >They are a consequence of humans not a creation of humans. Dogs have evolved >to take advantage of certain aspects of human psychology. They have retained >juvenile features (neotony) such as floppy ears round faces and large eyes >because humans (and many social creatures) are hard wired to respond favorably >to >juvenile features.But this was not the consequence of conscious human >decisions. Grain crops such as wheat also evolved in response to human >>preferences. >In this way we are not any different from other biologic and ecologic agents >that alter the environment and create new opportunities for evolution. So, do we influence our own evolution in the same fashion? Leonard Matusik [EMAIL PROTECTED] "Unless you become as little children, you will not see the kingdom of heaven" --somewhere in the bible..... _______________________________________________ http://www.mccmedia.com/mailman/listinfo/brin-l --------------------------------- Start your day with Yahoo! - make it your home page _______________________________________________ http://www.mccmedia.com/mailman/listinfo/brin-l
