The fossil record shows that:

Some species are evolutionary transitions between major groups of organisms.

All species are today just as they were when they were created.

What can be learned about a fossil using relative-age dating?

its age compared to other fossils

its age based on radioactive decay

How are fossils created?

Traces of organisms get turned into stone.

Dead organisms are quickly buried for millions of years.

Why don’t we have a complete fossil record of all life that’s ever lived?

Fossil formation requires a rare mix of physical and biological conditions.

Fossils must be exposed at Earth’s surface to have a chance of being found.

Fossils can be destroyed when rocks erode, melt, or change composition.

What is the basic concept behind relative-age dating of fossils?

Lower rock layers were deposited earlier than upper rock layers

Upper rock layers were deposited earlier than lower rock layers

Older fossils contain relatively higher levels of radioactive isotopes than younger fossils

Younger fossils contain relatively higher levels of radioactive isotopes than older fossils

Environmental changes that cause extinction occur on what time scale?

They can occur over shorter or longer time scales

They are usually on the scale of a few years

They are always on the scale of hundreds to thousands of years

Which of these answers best describes a fossil?

remains of a once living organism found in layers of rock, ice or amber

organism from which other organisms are descended

body of an organism that died recently but has hasn't decomposed

The diagram shows a portion of the fossil record in sedimentary rock. Which of these statements is true of the fossils and rock layers shown in the diagram?

Layer A contains the most recently formed fossils

Layer B contains the second oldest fossils

The fossils in layer B are older than those in layer D

The fossils in D are the most recently formed

The diagram below shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?

Fossil 4 is older than fossil 3.

Fossil 1 and 3 are the same age.

Fossil 2 is older than fossil 3.

Fossils 2 and 4 are the same age.

What is NOT true about the evidence that fossils provide?

All fossils contain intact DNA that can be sequenced

Some fossil organisms are transitional forms between groups of organisms.

Fossil organisms often share physical similarities with living organisms.

Fossil ages can often be determined by testing nearby rocks.

The Law of Superposition helps scientists to determine what?

The relative age of rock layers

The absolute age of rock layers

According to the law of superposition, the oldest fossils are found

Near the bottom of the rock layers

In the middle of the rock layers

Unit Test Fossil

Authored by Charles Martinez

Biology

7th - 8th Grade

NGSS covered

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61 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is made up of all the fossils ever discovered on Earth?

Fossil record

Trace fossils

Geologic time scale

Biological evolution

Tags

NGSS.MS-LS4-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

There are two different ways to determine a fossil's age, which way is shown in the picture above?

Absolute - Age Dating

Relative - Age Dating

Tags

NGSS.MS-ESS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do we call a chart that divides Earth's history into different time units.
Examples: Eons, Eras, Periods

Fossil record

Geologic time scale

Evoluation

Extinction

Tags

NGSS.MS-ESS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Extinctions occur because the environment changes.

True

False

Tags

NGSS.MS-LS4-1

NGSS.MS-LS2-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This picture shows a change over time in populations of related organisms, in this case the organisms are horses. What is the scientific term for this kind of change?

Fossil evidence

Evolution

Biological evolution

Extinction

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a true statement about fossil evidence?

We are still discovering fossils.

Fossils are any remains including humans.

Sonar and sonography equipment help us locate buried objects.

We have found all the fossils there are.

Tags

NGSS.MS-LS4-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Giant fossil ferns have been found in Canada. What conclusion can be drawn from this evidence?

Canada once had a much warmer climate.

Giant dragonflies once live among the ferns.

Canada was once covered by ancient sea.

Dinosaurs once lived in Canada.

Tags

NGSS.MS-LS4-1

NGSS.MS-ESS2-2

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Unit Test Fossil

What is made up of all the fossils ever discovered on Earth?

There are two different ways to determine a fossil's age, which way is shown in the picture above?

What do we call a chart that divides Earth's history into different time units.Examples: Eons, Eras, Periods

Extinctions occur because the environment changes.

This picture shows a change over time in populations of related organisms, in this case the organisms are horses. What is the scientific term for this kind of change?

Which of the following is NOT a true statement about fossil evidence?

Giant fossil ferns have been found in Canada. What conclusion can be drawn from this evidence?

The fossil record shows that:

What can be learned about a fossil using relative-age dating?

The impression of an organism in a rock

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What do we call a chart that divides Earth's history into different time units.
Examples: Eons, Eras, Periods