re: Biological Relationships Are Based On Homology, Not Analogy.

Space/Science » in reply to Biological Relationships Are Based On Homology, Not Analogy.

TB — 6/20/2009 4:30:41 AM (archived)

I hadn't heard those terms before. Thanks!

Insect wings and bird wings operate on extremely different principles, although both work to move something through the air. I'm impressed by things like bat wings and bird wings, which created almost identical solutions from the same structural elements in two widely differing animal kingdoms.

The whole thread (20 posts)

Dinosaurs not bird ancestors after all? - TB - 6/13/2009 2:17:08 AM
- New dinosaur gives bird wing clue - Adam - 6/17/2009 9:54:57 PM
- Ruben's full of crap - Adam - 6/14/2009 11:49:05 AM
- The link disappeared during the great flood - azstrummer - 6/13/2009 3:30:52 PM
  - Now THAT was climate change. - Bowser - 6/13/2009 6:32:49 PM
    - According to the story, everyone else was tainted. - Lee - 6/13/2009 8:03:57 PM
      - Hence the origin of the phrase, "taint me!". (n/t) - ER - 6/14/2009 12:23:33 PM
- Apparently, though, they did descend from something with femurs. - Bowser - 6/13/2009 3:57:22 AM
  - Hey, knowing is half the battle - mip - 6/13/2009 4:00:00 PM
- If true, it would mean that feathers evolved on two separate occasions. (n/t) - Lee - 6/13/2009 3:04:30 AM
  - Not unusual - TB - 6/13/2009 4:00:08 PM
    - Never EVER happens. Parallel evolution does not work that way. - David F Mayer - 6/16/2009 4:00:29 PM
      - I tend to agree - TB - 6/16/2009 4:32:23 PM
        
        Biological Relationships Are Based On Homology, Not Analogy. - David F Mayer - 6/19/2009 9:37:15 PM
        
        re: Biological Relationships Are Based On Homology, Not Analogy. - TB - 6/20/2009 4:30:41 AM
    - Is that why so many things taste like chicken? (n/t) - dtb - 6/13/2009 4:58:24 PM
      - The creationists are getting more and more devious - Socrates II - 6/16/2009 1:18:13 PM
        
        Then there is the "Navel Theory". - David F Mayer - 6/16/2009 4:03:58 PM
        
        I've actually had that argument used on me. - TB - 6/16/2009 4:37:59 PM
        
        Virtual History - Adam - 6/20/2009 6:28:01 AM

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