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Author Topic:   Diversification: Random Walk or Biological Determinism?
Percy
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Posts: 22704
From: New Hampshire
Joined: 12-23-2000
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Message 13 of 35 (488649)
11-14-2008 8:35 AM
Reply to: Message 11 by StevenFire
11-14-2008 6:23 AM


Re: Real effect
Complexity is usually measured as a function of the number of elements in a system and the number of relationships between those elements. By this measure, modern cells are more complex than primitive cells. The primitive prokaryotes, no nucleus and usually only a single DNA strand, are much simpler than the later eukaryotes with their cell nucleus and many chromosomes.
I understand that you would like to leave structure out of the equation, but I question whether that's really valid, and even if adhere to your preference of only considering reactions, the difference in the number of reactions and interrelationships between reactions for primitive versus modern cells is still dramatic.
While evolution doesn't have to increase complexity, in practice competition puts species into an evolutionary arms race, and this generates complexity as species are forced to perform continual evolutionary one-upmanship.
--Percy

This message is a reply to:
 Message 11 by StevenFire, posted 11-14-2008 6:23 AM StevenFire has not replied

Replies to this message:
 Message 15 by Fosdick, posted 11-15-2008 12:14 PM Percy has not replied

  
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