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Author | Topic: How did the Aborigines get to Australia? | |||||||||||||||||||||||||||||||||||||||||||||
Percy Member Posts: 22490 From: New Hampshire Joined: Member Rating: 5.0
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Well, there go the "humans brought them" and driftwood possibilities. It almost makes wombats canoeing across the ocean sound reasonable.
--Percy
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NoNukes Inactive Member
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As long as we're dolling out accolades, let's give OP and Percy some of the credit for pitching that meatball to the Babe.
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Tangle Member Posts: 9509 From: UK Joined: Member Rating: 4.8
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Sorry guys, we only need one pregnant marsupial to be accidentally washed up on driftwood. Marsupials being 'kinds' of course, would rapidly evolve into all the existant and extinct species we now find there.
So there.Life, don't talk to me about life. |
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Dogmafood Member (Idle past 374 days) Posts: 1815 From: Ontario Canada Joined:
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When humans evolved in Africa 200,000 years ago,... While the kangaroo conundrum sure is a puzzler, how did these guys manage to sneek into your 6k year timeline?
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Portillo Member (Idle past 4186 days) Posts: 258 Joined: |
Australia was once connected to Asia! Land bridges could have helped migration if water levels were lower in the past. Some animals have migrated to other countries using rafts and floating islands. "In times of flood, large masses of earth and entwining vegetation, including trees, may be torn loose from the banks of rivers and swept out to sea. Sometimes such masses are encountered floating in the ocean out of sight of land, still lush and green, with palms, twenty to thirty feet tall. It is entirely probable that land animals may be transported long distances in this manner. Mayr records that many tropical ocean currents have a speed of at least two knots; this would amount to fifty miles a day, 1000 miles in three weeks." - Paul Moody, University of Vermont. "It seems certain that land animals do at times cross considerable bodies of water where land connections are utterly lacking. Floating masses of vegetation, such as are sometimes found off the mouths of the Amazon, may be one means of effecting this type of migration. Even the case of the entry of the hystricoids [porcupine-like rodents] into South America may be a case of this sort, and one successful crossing might populate a continent." - Alfred Romer, Harvard University.
Lack of fossils documenting the migration of marsupials doesnt mean it didnt happen. Many animals are not documented in the fossil record because the "fossil record is incomplete". Did you know that millions of buffalos roamed the western praires and barely left a shred of fossil evidence that they existed? Did you know that the Indian Ocean tsunami destroyed the lives of 250 thousand people in 17 countries and barely any animals were killed? Evolution actually demands that marsupials lived in other parts of the world. "The marsupials spread over the world, in all directions. They could not go far to the north before striking impossible climate, but the path south was open all the way to the tips of Africa and South America and through Australia. The placental mammals proved to be superior to the marsupials in the struggle for existence and drove the marsupials out, that is, forced them southward. Australia was then connected by land with Asia, so that it could receive the fugitives. Behind them the true mammals were coming; but before the latter reached Australia, that continent was separated from Asia, and the primitive types to the south were protected from further competition." - A. Franklin Shull, Professor of Zoology, University of Michigan. Edited by Portillo, : No reason given. Edited by Portillo, : No reason given.And the conspiracy was strong, for the people increased continually - 2 Samuel 15:12
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Omnivorous Member Posts: 3986 From: Adirondackia Joined: Member Rating: 7.1
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dogmafood writes: While the kangaroo conundrum sure is a puzzler... I'm thinking marsupial matrushkas, 'roos packing wombats packing devils...successively smaller pouches, all paddled by one dream-time-determined aboriginal ancestor, hell-bound for Australia. Gawd the homunculi vision of it humbles me."If you can keep your head while those around you are losing theirs, you can collect a lot of heads."
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Portillo Member (Idle past 4186 days) Posts: 258 Joined: |
quote: http://news.nationalgeographic.com/...5_oldestmarsupial.htmlAnd the conspiracy was strong, for the people increased continually - 2 Samuel 15:12
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Dr Adequate Member (Idle past 310 days) Posts: 16113 Joined: |
That's not a wallaby, it's an early marsupial which looked something like this ...
Try again.
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nwr Member Posts: 6410 From: Geneva, Illinois Joined: Member Rating: 5.3 |
There are still a few marsupials in the Americas. We see opossums as occasional road kill around here (Chicago suburbs).
This BBC page is particularly interesting.Jesus was a liberal hippie
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Dr Adequate Member (Idle past 310 days) Posts: 16113 Joined: |
Australia was once connected to Asia! Yes. It was. This fact fits in nicely with real biogeography, but it's no help to you. If you wish to suggest that the Australian fauna crossed a land bridge from Asia to Australia after the flood, then you have to explain (a) why no placental mammals went with them (b) why all the Australian fauna ended up in Australia, not even leaving any bones behind them.
Some animals have migrated to other countries using rafts and floating islands. Same objection applies.
Lack of fossils documenting the migration of marsupials doesnt mean it didnt happen. It is kinda suggestive, though, don't you think?
Evolution actually demands that marsupials lived in other parts of the world. Marsupials, yes. The modern and specifically Australian fauna, no.
Many animals are not documented in the fossil record ... Yes, but those are small soft-bodied phyla. Can you point out to us one single mammalian family with no representatives in the fossil record?
Did you know that millions of buffalos roamed the western praires and barely left a shred of fossil evidence that they existed? I do not "know" that because it isn't true.
Did you know that the Indian Ocean tsunami destroyed the lives of 250 million people in 17 countries and barely any animals were killed? I very much doubt that, but if you think about it, even if it was true it would have no relevance unless you were adducing it as evidence that all mammals are immortal. Edited by Dr Adequate, : No reason given. Edited by Dr Adequate, : No reason given.
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Granny Magda Member Posts: 2462 From: UK Joined: Member Rating: 3.8 |
Portillo buddy, that is the evidence that proves you wrong.
1) It is not a wallaby. 2) It dates back to when there was a land connection between Australia and Asia - 125 million years ago. That is before humanity even existed. 3) The first actual kangaroo fossils known are still 25 million years old; again, older than humanity. This demonstrates that Macropods were evolving in Australia way before any humans arrived. Even if we only take the dating as relative, this still falsifies your little fable. Mutate and Survive
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Tanypteryx Member Posts: 4441 From: Oregon, USA Joined: Member Rating: 5.1 |
Portillo writes: Did you know that the Indian Ocean tsunami destroyed the lives of 250 million people in 17 countries and barely any animals were killed? 250 million? REALLY? 250,000,000? Are you seriously saying 250 MILLION people died in that tsunami? No wonder no one takes anything you say seriously.Tactimatically speaking, the molecubes are out of alignment. -- S.Valley What if Eleanor Roosevelt had wings? -- Monty Python You can't build a Time Machine without Weird Optics -- S. Valley
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Gullwind1 Junior Member (Idle past 4456 days) Posts: 12 Joined: |
portillo writes: Did you know that millions of buffalos roamed the western praires and barely left a shred of fossil evidence that they existed? Did you know that the bones of the buffaloes killed were gathered up and shipped back east to be ground up into fertilizer? It was quite a big business for a while. Its not too surprising that bones don't turn into fossils while on trains heading to factories.
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Portillo Member (Idle past 4186 days) Posts: 258 Joined: |
Thousand I mean.
And the conspiracy was strong, for the people increased continually - 2 Samuel 15:12
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RAZD Member (Idle past 1431 days) Posts: 20714 From: the other end of the sidewalk Joined:
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Hi Dr Adequate, Portillo, etc.
Australia was once connected to Asia! Yes. It was. This fact fits in nicely with real biogeography, but it's no help to you. I beg to differ. NOVA Online | Garden of Eden | Animation of Gondwana breakup
quote: At the start of the animation you have S.America, Africa, India, Antarctica and Australia all grouped together -- and Asia is at the upper right, not part of the group. After they separate you see India collide with Asia. At the end of the animation you have Australia moving towards Indonesia, but not colliding with it. In between Asia and Australia is the Wallace Line: Wallace Line - Wikipedia
quote: Biogeography: Wallace and Wegener - Understanding Evolution
quote: Wallace had noted that reproductive isolation resulted in increased diversity of life -- not just evolution but speciation. The bottom red line surrounding "Indo-Malayan" and dividing it from the islands leading to Australia is Wallace's line. There was no land bridge between Asia and Australia. A good introduction to biogeography is The Song of the Dodo: Island Biogeography in an Age of Extinction, by David Quammenhttp://www.amazon.com/...ogeography-Extinction/dp/0684827123 Enjoy. Edited by Zen Deist, : clrty Edited by Zen Deist, : spling Edited by Zen Deist, : spling aginby our ability to understand Rebel American Zen Deist ... to learn ... to think ... to live ... to laugh ... to share. Join the effort to solve medical problems, AIDS/HIV, Cancer and more with Team EvC! (click)
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