ConcepTest: Best Index Fossil
Question:
Four outcrops of rock are examined in different locations of a state. The rock types and the fossils they contain are illustrated in the adjacent diagram. Which fossil would be the best choice to use as an index fossil for these rocks?
a. fossil 1
b. fossil 2
c. fossil 3
a. fossil 1
b. fossil 2
c. fossil 3
Student Responses:
No data yet. The correct response is b.
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