What is the mysterious power forcing antelopes out of Australia?
As I said, we can observe that Antelope populations have coped fine in the same habitats as placental predators. This is evidence that they did not have significant ecological pressures driving them away.
To repeat myself, why would this stop placental mammals from migrating to Australia?
Then you have no explanation for why they aren't in Australia.
I already answered this. Why did you suspiciously quote everything except my answer?
Here it is again with the part you cut out that directly addresses your question.
Nothing is stopping placentals from migrating, but marsupials have increased pressure to migrate away from established placental populations. Thus marsupials migrate towards southeast Asia and over a temporary land bridge before placentals.
Now address your opponents actual arguments or stop responding. These dishonest little games of yours is how you get on ignore lists.
One more time and I'm done with you.
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