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| Post-impact foraminifera | |
| Material from impact | |
| Pre-impact foraminifera | |
By analyzing and dating the contents of each layer in the deep-sea core, scientists have reconstructed what happened one day 65 million years ago. Much of the story is told by foraminifera, single-celled organisms that have inhabited the oceans for more than 500 million years.
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| Post-impact foraminifera | |
| Material from impact | |
| Pre-impact foraminifera | |