Evidence of Evolution: Fossils - Test Test

Question 1

Choose the correct answer from each drop-down menu to complete the statement.

Revolt · Accepted Answer

cross-cutting relationships|4

Question 2

Arrange the events in the order they occurred. Place the first event at the top of the list.

Revolt · Accepted Answer

deposition of layer 1|deposition of layer 2|deposition of layer 3|deposition of layer 4|faulting

Question 3

Which pattern does the diagram show following a mass extinction?

Revolt · Accepted Answer

D: rapid adaptive radiation of surviving species

Question 4

Choose the correct answer from each drop-down menu to complete the statements.

Revolt · Accepted Answer

declined sharply|increased gradually

Question 5

How does the iridium layer help geologists correlate rock layers across different locations?

Revolt · Accepted Answer

B: Because of its unique properties, it is a key bed that can be easily identified in many locations worldwide.

Question 6

Why is carbon dioxide concentration in the atmosphere such a good proxy for global temperature?

Revolt · Accepted Answer

C: Carbon dioxide concentration is a main driver of the greenhouse effect.

Question 7

A paleontologist discovers tropical plant fossils in rock layers in northern Canada. These fossils are similar to plants that grow only in warm, humid environments today. What do these fossils tell us about the past climate in Canada?

Revolt · Accepted Answer

B: Canada once had a warm, moist tropical climate.

Question 8

How can varves be used to construct a timeline of environmental changes?

Revolt · Accepted Answer

C: Varves record seasonal deposition of sediments in glaciers and lakes and contain pollen that tells us about past environments.

Question 9

What is a plausible reason why evolutionary radiations tend to follow mass extinctions?

Revolt · Accepted Answer

D: Surviving organisms have access to more resources than were available to them before the extinction event.

Question 10

Match each feature of early Earth with the geologic process that caused it.

Revolt · Accepted Answer

differentiation|accretion|mantle convection|volcanic outgassing

Evidence of Evolution: Fossils - Test Test Answers

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