Pterosaurs to Birds

This site presents the idea that birds developed from flying pterosaurs. This is a credible alternative to the current, mainstream idea that birds developed from land-based dinosaurs.

Wednesday, October 27, 2010

Questions

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If anyone has questions, comments or objections, feel free to post them. I will do my best to answer them
85 comments:
Tuesday, October 26, 2010

Two Dimensions

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In situations where we see contradictions, the answer is often that there are two dimensions that are involved but we are only acknowledgin...
Wednesday, October 13, 2010

* Dino to Bird Theory (4)

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CIRCULARITY: http://www.bio.fsu.edu/James/Ornitho...phs%202009.pdf "The congruence of other characters is sometimes offered as justi...

* Dino to Bird Theory (3)

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Here is a reference to what I am talking about: http://www.bio.fsu.edu/James/Ornitho...phs%202009.pdf "Unjustifiable assumptions of h...
Saturday, October 9, 2010

* Dino to Bird Theory (2)

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Here is the larger context to put this in, related to "normal science". http://gothling.tripod.com/paradigm.html "Textbooks...

* Dino to Bird Theory (1)

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Here is a rather typical article on the dino to bird theory: http://www.biomedsearch.com/attachme...j0149-0001.pdf It purports to show th...
Wednesday, September 8, 2010

Anagenesis on the pterosaur line (2)

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It is suggested you read the previous post before reading this one. In the previous post we saw that there were anagenetic events/process on...
14 comments:

Anagenesis on the pterosaur line

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Here is a standard cladogram. http://biology.unm.edu/ccouncil/Biology_203/Images/Phylogeny/ReptileCladogram1.jpg This shows pterosaurs as a ...
1 comment:
Friday, September 3, 2010

Looking for an ancestor

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In the earlier post I said: "The reason this is very significant is because dino to bird enthusiasts have never offered any creatures...
8 comments:
Wednesday, September 1, 2010

Where are the modern birds?

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If we look carefully at the Senter scatterplot we find an interesting thing. Modern birds are not on the chart! The "birdlike cluster...
Tuesday, August 31, 2010

Presenting the picture

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We have seen that the Senter scatterplot completely contradicts the standard dinosaur to bird idea. The supposed path from dino to bird wand...
Friday, August 27, 2010

The long and winding road

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I have been pointing out that the "birdlike cluster" is not related to the "tyrannosaur cluster". But the situation is a...
Thursday, August 26, 2010

The "birdlike cluster"

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Senter has shown that there is a " birdlike cluster" which is "morphologically continuous". When we look at what creatu...

An intellectual exercise

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Here is an intellectual exercise. Let us take the 3 groups: A: Non-maniraptor dinosaurs (eg Tyrannosaur, Compsognathidae) B: Non-avian manir...
Tuesday, August 24, 2010

Trajectories

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Here is what Senter says about "trajectories of dots" (morphological evolution within a lineage): "It is noteworthy that bi...
Monday, August 23, 2010

A matter of perspective

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The Senter cluster diagram shows two different 3D perspectives on the 2009 same data. It can be confusing if one does not fully realize this...

Analyzing the clusters

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Let's see what more we can learn from the clusters. First we can see that the dots cluster into well-known groups *. Violet dots ...

Relating the Senter study

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So how does the Senter study relate to the theory being presented in this site? The Senter study shows that the Tyrannosaur cluster (Tyranno...

Why the Senter study is important

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Why is the Senter (2010) study important? For a few reasons. 1. The Senter study title and abstract are available online. (As is some of th...

Analyzing the title of the Senter study

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Even the title of the Senter (2010) study is misleading. Here is the title: "Using creation science to demonstrate evolution: applica...
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