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  Topic: Evolution of the horse; a problem for Darwinism?, For Daniel Smith to present his argument< Next Oldest | Next Newest >  
mitschlag



Posts: 235
Joined: Sep. 2006

(Permalink) Posted: Nov. 13 2007,08:29   

Quote (Daniel Smith @ Nov. 12 2007,22:59)
     
Quote (mitschlag @ Nov. 12 2007,14:07)
The evolution of the horse:

No gradualism here, nossir.  All saltational, yessir.

Fig. 4 from Davison's Manifesto.

The horse is used as an example of evolution in a determined direction - not as an example of saltational change.  The caption reads: "Phyletic size increase in the horse". and is used in the section entitled "Are there laws governing evolution?"

I am well aware of the way Davison was using his Fig. 4.  I quoted it sarcastically for the purpose of showing that the data make the case for gradualism.
   
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Davison (and Schindewolf before him) saw evolution of new types as a saltational event. What followed was a series of constrained variations within that type which usually resulted in over-specialization and extinction.  Oversized organisms were often a sign of this last stage.
Understood.  Interesting ideas.  Any reason to accept them without cocking a skeptical eye and asking for some confirmatory evidence?.  
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Did the fact that this illustration was Schindewolf's own - from his book "Basic Questions in Paleontology" - escape you?
You underestimate my reading comprehension, Dan.  Now please let go of my leg.

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"You can establish any “rule” you like if you start with the rule and then interpret the evidence accordingly." - George Gaylord Simpson (1902-1984)

  
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