Let's think about what a fossil really is. A creature turned to rock, right? For the lucky few that get immortalized (or nearly) by geology and chemistry, hard tissues slip away as minerals take their place, molecule by molecule.
Let's think about what a fossil really is. A creature turned to rock, right? For the lucky few that get immortalized (or nearly) by geology and chemistry, hard tissues slip away as minerals take their place, molecule by molecule.
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