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An Introduction to Zoology: Chapter 11
An Introduction to Zoology: Chapter 11
Published by The Lone Ranger
12-23-2008
Default Acoelomorphan Development


Acoelomorphan Development:
There is one thing about the acoelomorphs that is quite distinctive, and that is how they develop. The early cleavage patterns in acoelomorphs differ from those of deuterostomes or other protostomes. Because of this, some researchers believe that the ancestors of modern acoelomorphs split off from the main line of bilaterian evolution before the great split into protostomes and deuterostomes happened. If this is the case, it lends support to the notion that the acoelomorphs are the oldest surviving lineage of bilaterally-symmetrical animals.


Flagellophora apelti, a common marine acoelomorph.





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Thanks, from:
cappuccino (12-23-2008), Ensign Steve (12-23-2008), Farren (12-23-2008)
  #1  
By cappuccino on 12-23-2008, 03:01 AM
Default Re: An Introduction to Zoology: Chapter 11

:shudder: What are the symptoms of a liver fluke infection? I like sushi and has eaten plenty in my life. They were cooked though, or so I thought.
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  #2  
By The Lone Ranger on 12-23-2008, 03:10 AM
Default Re: An Introduction to Zoology: Chapter 11

Wow! I haven't even finished editing the article into its final form yet!

If you had a liver fluke infection, you'd probably know it. Symptoms include pain in the abdomen, fever, vomiting, and diarrhea.

Cheers,

Michael
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