Rock layer 1 is the oldest, layer 5 is the newest.


Table 2. Number of Curves in Suture Patterns of Various Ammonoid Fossils
Fossil 1 is the oldest, fossil 4 is the youngest.

Conclusions
What conclusions can you draw about patterns in the fossil record related to the change in organisms throughout the history of life on earth? Write an evidence-based claim.
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Write a testable question that could be used to further investigate the topic of using the fossil record to identify changes in life on earth.
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