Fearsome Sharks of Today Evolved When Ancient Oceans Got Hot
Source: @BreaknNews
It sounds like something out of a Hollywood film script, but it really happened: Shark-evolution researchers say that increased ocean temperatures more than 100 million years ago may have caused sharks to grow bigger, swim faster and become the powerful predators we know today.In a paper published last month in the journal Current Biology, scientists reported that they measured fin sizes and body lengths of 500…
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