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scitopsPosted: Dec 01, 2010 - 18:44
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Level: 4
CS Original

How do you respond to a creationists who claims DNA is too complicated to have occurred because of evolution, wants to know how, when, and why life originated. They also want to know Which evolved first (how, and how long, did it work without the others): The digestive system, the food to be digested, the appetite, the ability to find and eat the food, the digestive juices, or the body's resistance to its own digestive juice?

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Sil the ShillPosted: Dec 01, 2010 - 18:47
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Level: 9
CS Original

As far as I know, evolution does not attempt to explain the origin of life. You could start him off with that.

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Omni-SciencePosted: Dec 01, 2010 - 19:14
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Ordo Ab Chao.

Level: 8
CS Original

Nope, it doesn't. Darwin did not speak a word about it, or if he did, he made no attempt to explain the origin of life himself, or anything of that.

As far as I know, we do not have a precise explanation of when and how exactly life originated, but we have a good idea. Tell him to look it up.

You can't really ask why either. That's like asking why the universe was "born."

Also, I think his argument is about irreducible complexity, which is a bogus argument.

His inquiries are asinine, IMO. Digestive system? For what? Humans? Ask him to clarify what he's asking.

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EdPosted: Dec 01, 2010 - 19:31
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Level: 10
CS Original

"Which evolved first ...The digestive system, the food to be digested, the appetite, the ability to find and eat the food, the digestive juices, or the body's resistance to its own digestive juice? "

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When thinking about these questions you need to look at simpler organisms, it is there you will find the answers. For example you will find similar Creationist arguments about the eye and the answer is the same. They wrongly assume that it all had to appear together or it doesnt work, thats why they stupidly ask "what good is half a wing?" or "what good is half an eye?". Well it turns out there is a use for half an eye, just not in the way they are talking about. Many of the most simplest organisms have light sensitive cells, or "photoreceptors" which is a very basic form of an eye. You can find examples of all the required transitions of the eye in nature right now.

Look more about the eye here, I suggest scrolling down first to read "Early eyes".
http://en.wikipedia.org/wiki/Evolution_of_the_eye</p>

Then consider how to apply that to digestion and how to respond to them.

Also, before you debate Creationists I recommend watching all parts of "AronRa"'s "Foundational Falsehoods of Creationism" series on youtube. Pretty much everything you need to show how stupid Creationists are.

http://www.youtube.com/user/AronRa<br /> (click on playlists and its the first one)

Then watch the "Ida met the challenge" youtube debate with a typical Creationist idiot, just scroll down and find them in his videos.

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KeppPosted: Dec 01, 2010 - 20:01
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Level: 5
CS Original

"wants to know how, when, and why life originated."

Tell them you don't know and then ask them to stop pretending they know.

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Agent MattPosted: Dec 01, 2010 - 20:09
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Genuine American Monster

Level: 70
CS Original

"But I don't pretend. I know."

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CyborgJesusPosted: Dec 02, 2010 - 07:43
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Level: 6
CS Original

http://www.youtube.com/watch?v=ba2h9tqNYAo

Similar arguments in this video around 18:00 (and a nice summary of a creationist talk at 1:20) - they assume that complex mechanisms only make sense as a whole, while components of the same structures were used by much simpler organisms in different ways (in the lecture on the example of communication between cells).

Digestion evolved over a multitude of steps, starting with intracellular digestion (food vacuoles, etc) and ending with the extracellular tunnel system we have. You could try to explain it, but he'll probably just jump to the next chicken-egg argument...if he understands biology well enough to understand what you're telling him.

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