Which statement explains why ammonites are a good example of an index fossil? (1 point)

Question

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O Ammonites existed in a small geographic area.
• Ammonites existed long before the dinosaurs.
O Ammonites existed for a relatively limited period of time.
O Ammonites existed only in the oceans

Answer 1

The statement that explains why ammonites are a good example of an index fossil is: "Ammonites existed for a relatively limited period of time."