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Anus

Anus


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Humans are Deuterostomes. Right?..

Wiki says: In deuterostomes (including humans), the original dent (blastopore) becomes the anus, while the gut eventually tunnels through the embryo until it reaches the other side, forming an opening that becomes the mouth. But the thing is that, as I have found out, ...

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by Siroggak
Tue Aug 12, 2014 4:46 pm
 
Forum: Human Biology
Topic: Humans are Deuterostomes. Right?..
Replies: 1
Views: 395

Re: Why must we avert the genome of Eden?

... piece of DNA pop up in the first place. Are you saying that out of nothing emerged the genes for an eye and a lung and an antenna and an anus, just like that? My spider sense is tingling... are you sure this is not just another ID/creationist plot? Well, at least the time frame suggested ...

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by wildfunguy
Fri Oct 04, 2013 7:49 pm
 
Forum: Evolution
Topic: Why must we avert the genome of Eden?
Replies: 6
Views: 8027

Re: Why must we avert the genome of Eden?

... piece of DNA pop up in the first place. Are you saying that out of nothing emerged the genes for an eye and a lung and an antenna and an anus, just like that? My spider sense is tingling... are you sure this is not just another ID/creationist plot? Well, at least the time frame suggested ...

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by biohazard
Tue Oct 01, 2013 1:01 pm
 
Forum: Evolution
Topic: Why must we avert the genome of Eden?
Replies: 6
Views: 8027

Please check my work?

... Members of the subphyla Urochordata and Cephalochordata are chordates although they lack A a backbone. B pharyngeal pouches. C a notochord. D an anus. is it A? Three common characteristics of adult vertebrates are A skull, notochord, and complex organ system. B backbone, segmentation, and open ...

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by radicali
Thu Jun 14, 2012 8:57 pm
 
Forum: General Discussion
Topic: Please check my work?
Replies: 1
Views: 2875

Evolution of the Face and Head

Imagine a very simple creature: Something with a blind gut (one opening is mouth and anus), like a jellyfish. After the evolution of a true gut, with mouth and anus, animals gain a front and rear end (movement now is not random, but mouth-first). The most usefull ...

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by stauffie
Mon May 07, 2012 12:42 am
 
Forum: Evolution
Topic: Evolution of the Face and Head
Replies: 4
Views: 4030
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