"Evolution is often thought of as a series of small steps, but these ancient fossils suggest there was a larger leap between jawless and jawed vertebrates. These fish literally have their hearts in their mouths and under their gills—just like sharks today."
I guess there was "a whole lot of evoluting going on" in very brief period of time. Since then we have variations on a theme.
How many times must the pattern be found before scientists begin to consider the idea that nature wasn't the driver here, but the tool?
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