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Spatial sorting doesn't replace natural selection, says Shine, rather it runs in parallel with it, and within its bounds.
"Spatial sorting can only occur if natural selection doesn't oppose it," he says.
"If there was too strong a survival disadvantage to be at the invasion front, it simply wouldn't happen. Natural selection would be knocking off the toads at the front."
Cane toads are shining light on a new process by which genetic traits evolve, say Australian researchers.
They say it has "revolutionary" implications for our understanding of evolution.
"It's a very different process to anything that Darwin talked about because you're having traits evolve not because they help you survive or reproduce, but because they help you disperse faster."
However this still is only evolution (loosely) on the micro scale not macro scale.
His findings still do not prove or disprove evolution vs creationalism .The two are compatible and run parralel and he is not out to make that point .It is not about that at all .It is research into adaptablity and survival