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Learning More About Dinosaurs
#21
Monsieur Le Tonk Wrote:The only reason to clone an extinct animal is to demonstrate that we can, that is not a suitable justification to do so.

Mammoths are extinct, let them remain so, ditto other mega fauna.

That is where you and I part company Pepe. I think it would be grand, to be able to resurrect species that have become extinct. The Dodo, Carolina Parakeet, Tasmanian Tigre, Irish Elk, Great Awk, and others should be resurrected IMO.

Hey, this is going to occur, whether you, or I, like it or not. We just have to ensure we observe ethical application, before it is used for ill.
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#22
I wonder if mankind and these extinct groups could live together at this late date?

Isn't the reason some are dead is the growth of mankind?
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#23
Monsieur Le Tonk Wrote:Mammoths lived from around 4.8 million to about 4,500 years ago.
The great dinosaurs died out some 65 million years ago.
So yes they are separated by a great deal of time.

Regarding feathers, as John suggests, their most likely function was thermoregulation.
then we have to assume they were warm-blooded. looks like we got us a transitional species here. ron must love it.
"You know, Paul, Reagan proved that deficits don't matter." Dick Cheney
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#24
JL Wrote:For example, the first generation would be half mammoth, the second generation would be 3/4s mammoth, The third generation would be 7/8s mammoth. The fourth generation would be 14/16s, and the fifth generation would be 28/32s mammoth. This is the most practical approach.

But in the eventual future, I predict that this will become old hat, and true cloning will be possible.
Do you think the jews could do the same with themselves to replenish their population?

Mr LeTonk Wrote:The only reason to clone an extinct animal is to demonstrate that we can, that is not a suitable justification to do so.

Mammoths are extinct, let them remain so, ditto other mega fauna.
(now seriousely)I disagree. Studying a mammoth alive should be awesome.
It's also good for biodiversity, thought preserving existing species is still a challenge enough.

Palladin Wrote:I wonder if mankind and these extinct groups could live together at this late date?

Isn't the reason some are dead is the growth of mankind?
In some case it's proven, in other cases it's an hypothesis and in other cases it's imposible because these species disapeared well before man ruled the place.

One example is the north african lion who lived also in Mesopotamia. It was exctinct at the time of roman, I think. After several centuries of intensive hunting.
The King Hamurabbi was famous for hunting lions.

Bisons, both in north america and central europe almost disapeared because of humting or deforstation. Woves and bears the same but it's recent history.

In the stone age, the entire human population was between one and ten million worldwide. Too little to have a devastating impact.
The theory that Neanderthal was killed out by wars against Sapiens-Sapiens doesn't hold for the same reason.

For the Mammoth it's unkown. Humans could have participated in their extinction or accelerate it, but there were too few humans at that time to anihilate an entire species. It's also discuted whether humans hunted mammoths or not. Some believe they didn't because it was too dangerous.

Some type of mammoth, such as the hairless mammoth who live in north america, dispaeared well before the first human was born.

Most commonly accepted reason is climate change.

It would be interresting to see if mammoth could survive and multiply today, in Siberia or Alaska or somewhere...
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#25
(04-27-2011, 08:16 PM)Fredledingue Wrote: In some case it's proven, in other cases it's an hypothesis and in other cases it's imposible because these species disapeared well before man ruled the place.

One example is the north african lion who lived also in Mesopotamia. It was exctinct at the time of roman, I think. After several centuries of intensive hunting.
The King Hamurabbi was famous for hunting lions.

Bisons, both in north america and central europe almost disapeared because of humting or deforstation. Woves and bears the same but it's recent history.

In the stone age, the entire human population was between one and ten million worldwide. Too little to have a devastating impact.
The theory that Neanderthal was killed out by wars against Sapiens-Sapiens doesn't hold for the same reason.

For the Mammoth it's unkown. Humans could have participated in their extinction or accelerate it, but there were too few humans at that time to anihilate an entire species. It's also discuted whether humans hunted mammoths or not. Some believe they didn't because it was too dangerous.

Some type of mammoth, such as the hairless mammoth who live in north america, dispaeared well before the first human was born.

Most commonly accepted reason is climate change.

It would be interresting to see if mammoth could survive and multiply today, in Siberia or Alaska or somewhere...
that was a meteor, lots of nanodiamonds which are only created by a meteor impact have been found in 12,900 years old glacier ice. ron should have a looks at this, glaciers have growth rings like trees, and in some of them on greenland, there are hundreds of thousands of them.
"You know, Paul, Reagan proved that deficits don't matter." Dick Cheney
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#26
(04-28-2011, 09:23 PM)quadrat Wrote: that was a meteor, lots of nanodiamonds which are only created by a meteor impact have been found in 12,900 years old glacier ice. ron should have a looks at this, glaciers have growth rings like trees, and in some of them on greenland, there are hundreds of thousands of them.

No "Q", it was a comet. Not a meteor, not an asteroid, or some other mother. It was a comet.

___________________________________________________________________________________________________
"INSIDE EVERY PROGRESSIVE IS A TOTALITARIAN SCREAMING TO GET OUT" - David Horowitz

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#27
It should be noted that several rows of subsequent mamal species have disapeared for various reasons (not only space-born projectiles) since the disparition of the dinausores.
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#28
Now this is interesting news.

Peer Reviewed paper
A Feathered Dinosaur Tail with Primitive Plumage Trapped in Mid-Cretaceous Amber

For the masses
First Dinosaur Tail Found Preserved in Amber

Bloody Feathered Dinosaur tail discovered trapped in amber


___________________________________________________________________________________________________
"INSIDE EVERY PROGRESSIVE IS A TOTALITARIAN SCREAMING TO GET OUT" - David Horowitz

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#29
Well, Well, who says that birds aren't dinosaurs?  

Smuggled fossil 'very weird' new species of amphibious dinosaur, say experts

[Image: 636481582904343761-duck-dino2.jpg][/img]

Here's another link: Duck-Like Dinosaur Is Among Oddest Fossils Yet Found

This guy is really small, about the size of a turkey.   But just look at that "Raptor" claw on each foot.   Shock

Synchrotron sheds light on the amphibious lifestyle of a new raptorial dinosaur


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"INSIDE EVERY PROGRESSIVE IS A TOTALITARIAN SCREAMING TO GET OUT" - David Horowitz

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