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Science

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