IT ISN’T EASY to bee a fossil. The fate of nearly all living anisms—over 99.9pert of them—is to post down to nothingness. When your spark is gone, everymolecule you own will be nibbled off you or sluiced away to be put to use in some othersystem. That’s just the way it is. Even if you make it into the small pool anisms, the lessthan 0.1 pert, that don’t get devoured, the ces of being fossilized are very small.
In order to bee a fossil, several things must happen. First, you must die in the rightplace. Only about 15 pert of rocks preserve fossils, so it’s no good keeling over on afuture site of granite. In practical terms the deceased must bee buried in sediment, whereit leave an impression, like a leaf i mud, or depose without exposure to oxygeting the molecules in its bones and hard parts (and very occasionally softer parts) to bereplaced by dissolved minerals, creating a petrified copy of the inal. Then as thesediments in which the fossil lies……（内容加载失败！）
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