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A comment on New finding: 600M years ago, a single mutation changed everything. Parent comment
Best i can tell, all that is needed for something to be carried forward is for it to not be a hindrance.
Thus, a proto-wing could very well linger for generations without going anywhere simply because it does not hinder the lineage's survival.
Never mind that the planet has not been the shape we see it in for the entire time.
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Best i can tell, all that is needed for something to be carried forward is for it to not be a hindrance.
Thus, a proto-wing could very well linger for generations without going anywhere simply because it does not hinder the lineage's survival.
Never mind that the planet has not been the shape we see it in for the entire time.