Which statement explains why ammonites are a good example of an index fossil?(1 point)
Responses
Ammonites existed for a relatively limited period of time.
Ammonites existed for a relatively limited period of time.
Ammonites existed long before the dinosaurs.
Ammonites existed long before the dinosaurs.
Ammonites existed only in the oceans.
Ammonites existed only in the oceans.
Ammonites existed in a small geographic area.