Question 1

What information can scientists obtain from the fossil record?

Accepted Answer

Evolutionary patterns, extinction events, and environmental changes

Answer

The names of all prehistoric species

Answer

The color of dinosaur skin

Answer

The languages spoken by early humans

Question 2

What does the term 'fossil record' imply?

Accepted Answer

a cumulative history of earth's organisms documented by fossils

Answer

book of laws about fossil handling and preservation

Answer

database where all modern animal species are recorded

Answer

an album of pictures consisting of fossils

Question 3

Which of the following best describes why the fossil record is incomplete?

Accepted Answer

Not all organisms fossilize well and some habitats are better for fossilization than others

Answer

Fossils are always completely preserved, making the record complete

Answer

Most fossils have been destroyed by natural disasters

Answer

There are no noticeable gaps in the fossil record

Question 4

What information can be obtained from the fossil record?

Accepted Answer

The existence, diversity, extinction, and change in life forms throughout Earth’s history

Answer

The age of the Earth

Answer

The genealogy of each life form

Answer

The cause of extinction for each organism

Question 5

What does the pattern of more complex organisms appearing in more recent layers of the fossil record suggest?

Accepted Answer

Evolutionary processes leading to an increase in complexity

Answer

Decreased biodiversity over time

Answer

Younger fossils are always more complex

Answer

All organisms in the past were less complex

Question 6

Which of the following best describes the reason why fossils from different time periods are found at different layers in the Earth’s crust?

Accepted Answer

Organisms get buried in sediment which turns into rock over time, forming newer layers over older ones

Answer

Earth’s gravity pulls more recent fossils up to the surface

Answer

Different organisms prefer to live at different depths

Answer

Fossils gradually sink deeper into the crust over time

Question 7

Which option best describes how fossils can provide evidence for the change in life forms throughout Earth's history?

Accepted Answer

Fossils can show how organisms have changed over time, indicating evolution and adaptability.

Answer

Fossils can depict that organisms can undergo changes in a single generation.

Answer

Fossils can confirm that all life forms always existed in their current forms.

Answer

Fossils can prove that life forms have remained stable throughout Earth's history.

Question 8

What would a large number of fossils from different periods, but from the same location, suggest?

Accepted Answer

The location was habitable for a long period of time.

Answer

The location experienced a single, catastrophic event.

Answer

The organisms lived there simultaneously.

Answer

Only one type of organism lived there.

Question 9

What can the fossil record tell us about the extinction events in Earth's history?

Accepted Answer

The fossil record can show decreases or disappearances in certain species over time, indicating possible extinction events.

Answer

The fossil record proves that extinction events can only happen due to meteor impacts.

Answer

The fossil record shows that no extinction events have occurred.

Answer

The fossil record can tell us the exact reason why each extinction event occurred.

Question 10

Which of the following best represents a pattern in the fossil record that documents the existence, diversity, extinction, and change in life forms throughout Earth’s history?

Accepted Answer

Presence of simple organisms in older rocks and more complex ones in newer rocks

Answer

Presence of mammal fossils in every rock layer

Answer

Presence of larger organisms in older rocks and smaller ones in newer rocks

Answer

Presence of unique organisms in each rock layer

Question 11

What type of fossil data would provide direct evidence of a mass extinction event in Earth's history?

Accepted Answer

A sudden decrease in the diversity of animal life in a particular stratum of rocks

Answer

A consistent number of animal species throughout all strata

Answer

A gradual increase in the number of animal species over time

Answer

A sudden increase in plant life in a particular layer of rocks

Question 12

The diagram shows a geologic cross section of rock layers in a region.
Which geologic event happened most recently ?

Accepted Answer

intrusion of igneous rock Z

Answer

faulting of rock layers V, W, Y, and X

Answer

folding of rock layers W, Y, and X

Answer

intrusion of rock layer Y

Question 13

The diagram shows Fossil A and Fossil B. Assume that Fossil A is typically found in rock layers that are far above the rock layers containing Fossil B.
Based upon the positions of Fossils A and B, which inference is best ?

Accepted Answer

Fossils A and B lived during different periods of geologic time.

Answer

Fossils A and B lived during the same period of geologic time.

Answer

Fossil A must have evolved from Fossil B.

Answer

Fossil B existed in greater numbers than Fossil A.

Question 14

The diagram shows the layers of a rock with different fossils in it. The fossil type D is an index fossil, and it lived on Earth between 248 million to 206 million years ago.
Which statement correctly predicts the relative age of another fossil?

Accepted Answer

Fossil type B might have lived on Earth 180 million years ago.

Answer

Fossil type E might have lived on Earth 500 million years ago.

Answer

Fossil type C might have lived on Earth 225 million years ago.

Answer

Fossil type A might have lived on Earth 150 million years ago.

Question 15

The diagram shows the fossils of some organisms in different, undisturbed layers of sedimentary rock.
What could be accurately concluded about the fossils?

Accepted Answer

Organism D existed before organisms B and C.

Answer

Organism B had the largest population.

Answer

Organisms B and C were genetically identical.

Answer

Organism A evolved from organism D.

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