which statement explains why ammonites are a good example of an index fossil?

Question

A. Ammonites existed only in oceans.
B. Ammonites existed long before the dinosaurs.
C. Ammonites existed in a small geographic area.
D. Ammonites existed for a relatively limited period of time.

Answer 1

D. Ammonites existed for a relatively limited period of time.

Answer 2

what is the theory that describes the movement of landmasses on Earth's surface?
A. divergence
B. subduction
C. plate tectonics
D. continental drift

Answer 3

D. continental drift

Answer 4

how does the fern Glossopteris provide evidence for the movement of the continents?
A. it existed in the Permian period.
B. it is the oldest plant on Earth.
C. it lived at the same time as Lystrosaurus.
D. it was found on many continents.

Answer 5

D. it was found on many continents.