Geologic History Test Review

Front

How does intrusion X compare to the ages of the other rock layers and fossils in this geologic column?

Back

Intrusion X is younger than the broadleaf and fern fossils.

Front

Which is true?

Back

Intrusion X is younger than layers Z and Y.

Front

Which is younger than the broadleaf fossil? Options: layer Z, layer Y, fern fossil, intrusion X

Back

intrusion X

Front

Which is younger than the clam fossil? Options: layer Z, broadleaf, intrusion X, reptile bone

Back

reptile bone

Front

Scientists can use relative dating, absolute dating, or a combination of the two techniques to determine the age of a fossil. Which of the following could be determined using both methods?

Back

which of two fossils is the older

Front

The diagram shows different layers of sedimentary rock. Each layer is labeled with a letter. Which statement correctly describes the relative ages of the rock layers shown in the diagram?

Back

Layer I is older than Layer B.

Front

In what type of rock would a geologist MOST likely find evidence of ancient life? Options: sedimentary, foliated, metamorphic, volcanic

Back

sedimentary

Front

Arrangement of rock layers from bottom to top if undisturbed.

Back

X, Y, W, Z

Front

Based on the diagram, which is true?

• Layer U is the oldest.
• Layer Z is the youngest.
• Layer T is older than layer S.
• Layer X is older than layer Y.

Back

Layer X is older than layer Y.

Front

Method to determine the relative age of rock layers based on a diagram.

Back

the law of superposition