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dinosaurs and time


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#16    Seraphina

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Posted 22 February 2004 - 03:45 PM

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if all life had ceased to be for any reason, where are we really from...........even if it didn't kill everything, where are we really from


All life didn't cease to be tongue.gif Only large creatures, or those that couldn't adapt to the sudden change in climate, died. Mammals, since we can adapt to survive almost anywhere, rose to be the dominant species in the aftermath (After a short and often forgotten reign of birds). It's from those small pioneer mammals that we evolved wink2.gif  

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#17    man_in_mudboots

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Posted 22 February 2004 - 04:03 PM

OK, tangent here:
people constantly make the mistake of thinking that dinosaurs went extinct over night, and that everything died with the KT event, but the truth is that it took million years or so for the total extinction, and that the only 'catastropic' events were almost completly confined to central america, where the meteor is thought to have struck. the dinosaurs in that area most likely died form poisoned air. also, many dinosaurs, especially those in the southern areas. seemed to have escaped extinciton for a over half a milion years, only to be killed off later by osmething else. another mistake is thinking that this KT event is the only one of its type, or that it was the greatest of all extinctions. in fact, each era of the geologic time scale ends with a large extinction event. the KT is surpased in intensity by the end-permian event and the pre-devonian event. in the end-permian, the greatest of all extinction events, 75% of all organisms died, where as in the KT, only 48% went extinct, and over a much longer time frame.


#18    Ozmeister

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Posted 21 May 2004 - 01:57 AM

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Yes, long before it...stretching into the tens of millions of years I think  ...before the first ice age that is  Our planet's seen two of them...or is it three, I can't remember...


Actually, there's been about 20-30 of them in the last 2.5 million years......and before that even. Actually there has been several extended periods of cold during Earth's history. The coldest and most extensive was in the late Proterozoic, between 1000-780Ma. 3-4 distinct periods which lasted 10 million years or more, each where the entire planet froze over.




#19    man_in_mudboots

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Posted 21 May 2004 - 02:36 PM

here is something interesting. do you know why greenland is called 'green'land? because, when it was found by Eric the Red, it really was green. its all iced up now because we are just coming out of a period called 'the little ice age', which was a period of colder weather that started in the 1400s and ended about 1950. greenland has only unthawed in small waves, which people have been mistaking for global warming, when, in fact, it is just a return to our normal temperature. neat, huh?


#20    aquatus1

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Posted 21 May 2004 - 04:47 PM

I can't find the argument that all these cryptids look like dinosaurs to be too valid.  After all, before dinosaurs, they looked exactly like giant lizards and bats.  Before that, they looked like dragons and demons.

I remember reading a story of a man hiking in China once.  Since it was raining, he put on a large yellow slicker.  As the rain got harder, he started thinking about diggin in, when he saw a local down the road.  He called out and the old man took one look at him and began traipsing down the road at a quicker clip.  The hiker followed him to the village, where he was met by the apologetic daughter of the old man.  Seems the old man was convinced that he was being followed by an evil spirit of the mountains.

You could pretty much take the same story, set it in Central Park, and have the old man think he was being followed by a psycho.  Fear just tends to be interpreted in the knowledge of the time is all.


#21    nickma71

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Posted 21 May 2004 - 06:05 PM

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yeah .. maybe they did Survive the Ice Age .. maybe earth did not freeze as an Ice cube .. maybe lands at the euator did not freeze and they all moved there .. then went back home after the ice age .. Just a stupid thought !!

Many Sea creatures survived .. How come?

Well, an ice age in and of itself can not be proven. In order to snow, you need warm wet air. If for some reason, the sun stopped working for a long time rolleyes.gif  then the earth would freeze, not snow and all life would become extinct. Geologic evidence could also be interprited as a flood. The surface of the earth changed dramatically after the flood. The Bible says the Earth was one land mass before the flood. That is obvious, look at the shapes. The Earth has changed. Animals post flood had a difficult time adapting, and many went extinct. Now we have oil. grin2.gif

If dinosaurs evolved into birds, why isnt the fossil evidence show it? We should see lots of animals where they were in the inbetween stages. The wing is not good yet, and the old leg is no longer useful. The picture is an example. Macro evolution is an example of transition of one species to another, as opposed to micro which is vartions of a species, like in dogs, or lizards.

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#22    man_in_mudboots

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Posted 21 May 2004 - 09:16 PM

QUOTE (nickma71 @ May 21 2004, 07:05 PM)
Macro evolution is an example of transition of one species to another, as opposed to micro which is vartions of a species, like in dogs, or lizards.

really. none of us knew that.  


#23    nickma71

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Posted 23 May 2004 - 04:26 PM

Anybody who thinks dinosaurs became birds obviously doesnt.


#24    Fairie

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Posted 23 May 2004 - 05:34 PM

I just don't understand how a reptile could backtrack its evolution to become a bird, surely birds must have come from another line, maybe a different kind of amoeba even, but then I never did pay attention in biology.

Also, how could an ice age be in any way responsible for the extinction of dinosaurs when crocodiles and alligators are still here to tell the tale? Or am I just being a bit of a ditz? (wouldn't be the first time)



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