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Author Topic:   Evolution of Eyes
MiguelG
Member (Idle past 205 days)
Posts: 63
From: Australia
Joined: 12-08-2004


Message 46 of 52 (463293)
04-15-2008 12:52 AM
Reply to: Message 26 by Lyston
03-11-2008 8:38 PM


For Lyston: Types of Trilobite Eye
Hi Lyston,

You seemed to be having a problem with distinguishing between different types of compound eyes?

May I suggest that you read the following web resource on Trilobite Eyes?

http://www.trilobites.info/eyes.htm

As you can see there are three distinct types of Trilobite compound eyes.

Read carefully and you'll see that each type is constructed differently.

In addition each type of compound eye in Trilobites had tremendous variation in form and size.

Hope this helps?

Cheers


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godservant
Junior Member (Idle past 4050 days)
Posts: 24
Joined: 04-15-2008


Message 47 of 52 (463303)
04-15-2008 3:15 AM
Reply to: Message 9 by molbiogirl
03-08-2008 4:51 PM


Gee, this looks like the evolutionary process that takes place in the womb!!
This message is a reply to:
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Dr Adequate
Member
Posts: 16097
Joined: 07-20-2006


Message 48 of 52 (463321)
04-15-2008 10:15 AM
Reply to: Message 47 by godservant
04-15-2008 3:15 AM


What on earth are you talking about?
This message is a reply to:
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 Message 49 by godservant, posted 04-15-2008 12:37 PM Dr Adequate has responded

  
godservant
Junior Member (Idle past 4050 days)
Posts: 24
Joined: 04-15-2008


Message 49 of 52 (463327)
04-15-2008 12:37 PM
Reply to: Message 48 by Dr Adequate
04-15-2008 10:15 AM


What I'm talking about is this supposed evolutionary process of the eye is most likely the exact same process the eye takes when forming in the womb, which in reality is not any proof that it ever evolved over millions or billions of years through chance production. It's a natural process that takes place every time an egg is fertilized. Nothing remotely new or dramatic.
This message is a reply to:
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molbiogirl
Member (Idle past 871 days)
Posts: 1909
From: MO
Joined: 06-06-2007


Message 50 of 52 (463344)
04-15-2008 2:16 PM
Reply to: Message 49 by godservant
04-15-2008 12:37 PM


It's a natural process that takes place every time an egg is fertilized. Nothing remotely new or dramatic.

Wrong. The eye does not develop "that way" as an embryo develops.

If you have evidence to the contrary, please post a link to that information.


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Dr Adequate
Member
Posts: 16097
Joined: 07-20-2006


Message 51 of 52 (463363)
04-15-2008 6:48 PM
Reply to: Message 49 by godservant
04-15-2008 12:37 PM


What I'm talking about is this supposed evolutionary process of the eye is most likely the exact same process the eye takes when forming in the womb ...

When you say that this is "most likely", do you have a scrap of evidence for this assertion?

which in reality is not any proof that it ever evolved over millions or billions of years through chance production ...

Before you maunder on any further about evolution, perhaps you should find out what the theory of evolution is.

It's a natural process that takes place every time an egg is fertilized. Nothing remotely new or dramatic.

And yet creationists who will admit that this process can happen in months pretend that it can't possibly happen over millions of years. Though this, too, is a natural process.


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RAZD
Member
Posts: 20044
From: the other end of the sidewalk
Joined: 03-14-2004
Member Rating: 3.2


Message 52 of 52 (463378)
04-15-2008 8:35 PM
Reply to: Message 49 by godservant
04-15-2008 12:37 PM


from the peanut gallery
What I'm talking about is this supposed evolutionary process of the eye is most likely the exact same process the eye takes when forming in the womb,...

Ah yes, ontogeny recapitulates phylogeny ... Haeckel would be so proud ...

Seems more like (fill in your favorite) that don't know much about evolution recapitulate all those discarded concepts that have already been invalidated?

Welcome to the fray godservant.

... which in reality is not any proof that it ever evolved over millions or billions of years through chance production.

A good place to (start) learn(ing) about evolution is berkeley's website.

Meanwhile consider this:

(1) no two organisms are identical
(2) any organism that is more capable of survival and breeding than another organism will more often than not survive and breed more than the other
(3) because of (1), (2) inevitably happens.

It's a natural process that takes place every time an egg is fertilized.

Actually most fertilized eggs fail to reach maturity.

Nothing remotely new or dramatic.

And what would qualify as "new" or "dramatic" for you? Have you really thought about this?

Enjoy.


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