Sharks have patrolled the oceans for over 400 million years — predating the first trees by tens of millions. They've outlasted four mass extinctions. The design was simply too good to need replacing.
facts
Sharks have patrolled the oceans for over 400 million years — predating the first trees by tens of millions. They've outlasted four mass extinctions. The design was simply too good to need replacing.
Source: nhm.ac.uk
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