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(...) For anyone to give you that, you also need to "define" what a species is -- specifically, what criteria there are to decide where one species stops and the other starts. So much of your point depends on establishing a discrete categorization (...) (24 years ago, 5-Feb-01, to lugnet.off-topic.debate)
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| | Re: Problems with Darwin's theory
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(...) I was going to post a reply to an argument last week concerning species concepts in the macro-evolution/creation debate, unfortunately other responsibilities got in the way. Thanks for bringing it up. As Sproaticus said, there are many, many (...) (24 years ago, 5-Feb-01, to lugnet.off-topic.debate)
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| | Re: Problems with Darwin's theory
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(...) Good point - Lack of common definitions is often a problem with these types of discussions. I'll admit right away that I'm not the one to do the defining - I chose Physics over Biology. Archeology isn't my area either, which is part of why I'm (...) (24 years ago, 7-Feb-01, to lugnet.off-topic.debate)
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| | Re: Problems with Darwin's theory
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(...) For the 39th time. The fossil record seems to indicate that species appear, then disappear. Take trilobites, for example. Older ones are not as specially diverse as later ones. But after the Devonian extinction, they're all gone. Where did (...) (24 years ago, 7-Feb-01, to lugnet.off-topic.debate)
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| | Re: Problems with Darwin's theory
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(...) Just a note: Trilobites as a group aren't gone after the Devonian. They take a major hit in the Devonian extinctions, but have a minor comeback, surviving until the Permian. However, that means it's a great example of evolution, extinction, (...) (24 years ago, 7-Feb-01, to lugnet.off-topic.debate)
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