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Evolution: What is it? (long article)
Information Central ^ | Craig McClarren

Posted on 04/04/2002 10:05:32 AM PST by Heartlander

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To: <1/1,000,000th%
LOL! Now you've done it.

This really intrigues me. I'm thinking of calling it "Holy Warrior Syndrome." Several Cs I've met have had it bad. Gore has it the worst.

He can't admit anything to the Satan-worshipping-materialist-atheist-communist foe. Catch him on something and you get snarly abuse, buckets of slops over your head, distractions, evasions, and finally flight.

But then you catch him on another thread, same old act in progress.

241 posted on 04/05/2002 6:24:03 AM PST by VadeRetro
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To: VadeRetro
"Two populations that cannot or will not breed are considered separate species.

I know you did not mean to imply this, but the first thing I thought was, "This means that homosexuals are a separate species."

242 posted on 04/05/2002 6:24:35 AM PST by kinsman redeemer
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To: kinsman redeemer
Is there doubt about this? Are you refering to something like Big Foot?

No. I only mean that, while our ancestry runs through the fish, there may be no fish alive exactly like anything that became us. The coelacanth may come close. No extant ape species is exactly exactly like anything we came from, although we probably looked a lot like chimps about 5 million years ago. (That is to say, they've probably diverged less from that common ancestor than we have.)

243 posted on 04/05/2002 6:29:01 AM PST by VadeRetro
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To: kinsman redeemer
2. As an Evolutionist, how would you characterize the next species that will evolve from man? (either gradually or after a period of "punctuation.") ...a. Do you expect that more than one species will evolve from man?

Evolution isn't teleological. All one can really say is that the next species evolved from homo sapiens will be related. As to whether more than one species will evolve depends mostly on whether there is some form of spatial separation between breeding groups.

3. As an Evolutionist, what determines that an organism's species has changed?

"Species" is not a property of an organism. It is a (rather complicated) relationship among organisms. To some extent, the taxonomical terms (species, genera, family, etc.) are arbitrary. One can draw a tree of relationships and make some judgments about nearness. The entire field of cladistics (several journals) is devoted to these questions.

244 posted on 04/05/2002 6:32:48 AM PST by Doctor Stochastic
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To: VadeRetro
Species is most easily defined in extant sexual populations, since you can observe reproductive compatibility. Two populations that cannot or will not breed are considered separate species. Just in the last few months I've noticed that most creationists have punted on claiming that this does not occur, quietly moving the goalpost for macroevolution to the genus level.

That WHAT does not occur? Reproductive compatibility?

Yours is the classic definition of "species." That answers #3 above. On this, there is no dispute.

245 posted on 04/05/2002 6:48:52 AM PST by kinsman redeemer
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To: VadeRetro
The now-extinct species most closely related to man might be archaic Homo sapiens, assuming it would even be a different species. I'll avoid Homo sapiens neandertalensis since it's generally not classified as a distinct species, although that may change. Anyway, Homo erectus is the ancestor of both of the preceding and is generally considered a separate species.

What's the deal, Reep? You figure if you repeat that kind of BS often enough it'll become true??

Neanderthal DNA has been analyzed, the result being that it has been described as "about halfway between ours and that of a chimpanzee", thus cleanly eliminating the neanderthal as a plausible human ancestor. Now, home erectus was clearly much further removed from modern man than the neanderthal, and yet you are claiming that erectus is ancestral to modern man because the neanderthal could not be?? I mean, why not just go all the way back and claim modern man is descended directly from fish or one-celled animals???

Face it, Reep, there is no plausible ancestor for modern man in the fossil record and that is a huge problem for evolutionists.

246 posted on 04/05/2002 6:58:30 AM PST by medved
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To: kinsman redeemer
Loss of reproductive compatibility. Speciation. We used to fill up thread upon thread with creationists arguing that speciation does not occur.

The bar has quietly slid up, perhaps because the evidence for ring species has percolated into the creationist community.

These retreats and bar-movings are not advertised or acknowledged. They ripple out as one listens to or reads another, much as various arguments have their fashion. (Just now, the platypus is in on FR. Gold chains in coal and trilobites-in-a-human-sandal-print are out. But come back next month.)

247 posted on 04/05/2002 6:59:01 AM PST by VadeRetro
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To: medved
Neanderthal DNA has been analyzed, the result being that it has been described as "about halfway between ours and that of a chimpanzee",

Chimp DNA and Human DNA are pretty damned close (sharing between 98 and 99 percent of the same genes). If Neanderthals are "about half way" (which is a pretty vague term) then they share between 99 and 99.5 percent of their genes with us. In other words, they ain't that much different.

248 posted on 04/05/2002 7:03:16 AM PST by Junior
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To: Junior
Do you get that same exhilerating feeling of being in the presence of overwhelmingly superior intellects while watching Laurel and Hardy, the stooges, or old Amos n' Andy reruns??

My, my. I seem to recall a certain someone posting a list of supposed insults I had made (turns out they weren't insults when taken in context, but that's another story).

You might want to read Jenny's post (164) which I replied to before accusing ME of insulting anybody. There's something comical in the great expert in "online communities" having to use multiple personnas here because she basically doesn't know how to act in an online community...

249 posted on 04/05/2002 7:05:40 AM PST by medved
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To: medved
Face it, Reep, there is no plausible ancestor for modern man in the fossil record and that is a huge problem for evolutionists.

This does not address what I answered you on, the persistence of "intermediate forms." And it's baloney in its own right.

Neanderthals were a sibling species / variety (pick one) of sapiens. They were not ancestral. There are questions whether there was any interbreeding. Thus "species / variety," depending. European neanderthals are very different from the later sapiens who replaced them, but elsewhere the intergrading of the fossils makes it hard to tell what was what.

None of which helps you that I can see. Modern man has a clear and gap-less line of descent, from Homo erectus and its descendant archaic Homo sapiens, the latter giving rise to both Neanderthals and modern man. If you've been paying attention, I've had to cram this down gore's throat on probably five different threads now.

250 posted on 04/05/2002 7:07:13 AM PST by VadeRetro
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To: Junior
Chimp DNA and Human DNA are pretty damned close (sharing between 98 and 99 percent of the same genes). If Neanderthals are "about half way" (which is a pretty vague term) then they share between 99 and 99.5 percent of their genes with us. In other words, they ain't that much different.

You ever date chimpanzees? I mean if they're that close, why not??

251 posted on 04/05/2002 7:07:25 AM PST by medved
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To: PatrickHenry
Those who find medved's links useful will also be delighted with these:

Hey! You left out the Time Cube! My favorite!

252 posted on 04/05/2002 7:10:21 AM PST by Gumlegs
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To: medved
Now, home erectus was clearly much further removed from modern man than the neanderthal

Says who? H. Erectus obviously predated both H. Sapien and H. Neanderthalensis, but that does not make him "further removed." Picture H. Erectus as being the crux of a "V" with H. Sapien and H. Neanderthalensis being the two arms. The differences between the latter two's DNA is only about one percent which is more than possible if both broke from a common ancestor and evolved separately. It would not require that H. Erectus' DNA be all that much different than either modern man's or Neanderthal's.

253 posted on 04/05/2002 7:11:07 AM PST by Junior
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To: PatrickHenry
Guess I shoulda read to post 160. Whew! I feel much better now.
254 posted on 04/05/2002 7:11:46 AM PST by Gumlegs
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To: medved
There's something comical in the great expert in "online communities" having to use multiple personnas here because she basically doesn't know how to act in an online community...

Don't start that stuff! AndrewC would rather pretend that I've been masquerading as one No-Kin-To-Monkeys than allow that a fellow C would b!tch-slap him for jumping in with his lawyerly razzle-dazzle.

255 posted on 04/05/2002 7:12:02 AM PST by VadeRetro
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To: medved
Sarcastic replies do not obviate facts.
256 posted on 04/05/2002 7:13:39 AM PST by Junior
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To: Junior
Chimp DNA and Human DNA are pretty damned close (sharing between 98 and 99 percent of the same genes). If Neanderthals are "about half way" (which is a pretty vague term) then they share between 99 and 99.5 percent of their genes with us. In other words, they ain't that much different.

“If the exact comparisons were proof of similarity then we would have to consider certain bacteria which has exactly the same genes contained in humans as do several other various and obviously different creatures…The differences are obviously more than one or two percent between a chimp and a human. The association in the genome is therefore an erroneous indication of similarity because it defies the obvious. Which do we believe the hidden complication and largely unknown operation of the genome or the obvious evidence that is clearly demonstrated and observed and proved fact? Why would we throw out Occam’s razor here and add further complication to a simple problem? “

“If however the exact operation of the genome of both creatures was know then we could gain some valuable insight as to the reasons for the differences in result even though on the surface they are very similar. The other obvious reason why similarity of genome is not proof of common descent is the basic similarity of the two creatures. They are both animals with lungs, hearts, nervous systems, two hands and two legs etc.. So why wouldn’t there be quite a bit of similarity in the genome as well? If the genome were static and there was a direct correlation to its structure and the resulting organism then the comparison would be a valid proof. It clearly is not, so we are dealing with more of the association and causation errors that the theory of evolution is littered with. …”

257 posted on 04/05/2002 7:24:43 AM PST by Heartlander
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To: medved;Piltdown_Woman;jennyp
Post 164 was from Piltdown_Woman, not jennyp. I am more than a little certain they are not the same woman, as they have completely different posting styles -- something you are obviously not capable of discerning.
258 posted on 04/05/2002 7:26:26 AM PST by Junior
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To: Junior
Yet another case in which a fashion ripples through the C ranks: accusing the Es of impersonation.
259 posted on 04/05/2002 7:28:18 AM PST by VadeRetro
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To: Heartlander
Source, please, as I cannot find this in the original article and the writing style is in the vein of Answers In Genesis.
260 posted on 04/05/2002 7:30:29 AM PST by Junior
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