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torie's Avatar
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  #1
old world species
Old 08-06-2008

i know i could just google this or go to the library but i figured i would ask here first. What is the definition of an old world species? for example when primates such as olive Baboons are reffered to as old world primates what exactly does that mean?

i hope that makes sense if not im sorry and ill go look it up at school!

thanks
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  #2
Old 09-06-2008

Old World = Africa,Asia etc
New World = The Americas

I think so anyway...
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  #3
Old 09-06-2008

That was what I thought Old world was Jimmy!
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  #4
Old 09-06-2008

The two groups are quite different biologically.

Old World monkeys
cattarhine i.e the nostrils face downwards.

they have eight premolars

the tail is not prehensile

they are medium to large sized primates

New World monkeys
platyrrhine i.e the nostrils face sideways

they have twelve premolars

the tail is prehensile

they are small to medium sized primates

Jimmy and Hornbill you are correct in the definition of old world and new world.

Last edited by bongorob; 09-06-2008 at 02:45 AM. Reason: last line missing
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  #5
Old 09-06-2008

The new world (The Americas) is known as such because before Columbus (ish) only Europe, Asia & Africa (and not all of that really) had been 'discovered' by westerners. Upon the discovery of America it was termed 'The New World'.
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  #6
Old 09-06-2008

thanks for all your help guys! much appreciated
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