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Fossils Crossword Puzzle

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Fossils

Use the clues to complete the puzzle.

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1 a unit of time that contains the Age of Dinosaurs
2 giant continent that exists in Earth's past
3 used to describe if a fossil is older or younger than another fossil
4 can be used to help identify the relative age of a rock layer
5 a geologic chart that divides Earth's history into units
7 all of the fossils in Earth's rock layers
1 occurs when many species die out at the same time
6 common fossil animal from the Paleozoic
Answer
 
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