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Science

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Across
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THE STUDY OF SIMILARITIES AND DIFFERENCES AMONG STRUCTURES OF LIVING SPECIES
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STRUCTURES IN DIFFERENT SPECIES THAT ARE SIMILAR BECAUSE OF COMMON ANCESTORY
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STATES THAT YOUNGER LAYERS OF ROCK ARE DEPOSITED ON TOP OF OLDER LAYERS
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CHANGE OVER TIME
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THE ABILITY OF BACTERIA OR OTHER MICROBES TO RESIST THE EFFECTS OF AN ANTIBIOTIC
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THE STUDY OF THE SIMILARITIES AND DIFFERENCES IN THE EMBRYOS OF DIFFERENT SPECIES TO SHOW COMMON ANCESTRY
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A STRUCTURE IN A PRESENT DAY ORGANISM THAT NO LONGER SERVES ITS NATURAL PURPOSE
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A BREAK IN THE GEOLOGIC RECROD CREATED WHEN ROCK LAYERS HAVE BEEN DISTURBED
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STRUCTURES THAT DO NOT HAVE A COMMON EVOLUTIONARY ORIGIN BUT ARE SIMILAR IN FUNCTION
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A FOSSIL KNOWN TO HAVE LIVED IN A PARTICULAR GEOLOGIC AGE THAT CAN BE USED TO DATE THE ROCK LAYER IN WHICH IT IS FOUND
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PROVIDES EVIDENCE OF THE HISTORY OF LIFE ON EARTH
Down
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STATES THAT WHEN ONE ROCK CUTS THROUGH OTHERS, IT IS YOUNGER THAN ALL THE LAYERS IT CUTS THROUGH
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GUESSING THE AGE OF A ROCK OR FOSSIL BASED ON THE AGE OF WHAT SURROUNDS IT
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THE PRESERVED REMAINS OR TRACES OF AN ORGANISM THAT LIVED IN THE PAST
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EXPLANATION THAT IS WILL SUPPORTED BY EVIDENCE