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Geologic Time Review

Total questions: 42

Worksheet time: 52mins

Name
Class
Date
1.

Mammals are a dominant group in which era?

a)

Cenozoic

b)

Mesozoic

c)

Paleozoic

d)

Cambrianozoic

2.

How old do Paleontologists believe the Earth is?

a)

2019 years old

b)

3.6 billion years old

c)

4.6 billion years old

d)

4.6 million years old

3.

What type of event usually marks the end of an Era

a)

A Mass Extinction

b)

An Asteroid

c)

An earthquake

d)

A Volcanic Eruption

4.

Which of the following correctly places theses times in order from OLDEST to NEWEST?

a)

Pre-Cambrian, Paleozoic, Mesozoic, Cenozoic

b)

Pre-Cambrian, Mesozoic, Paleozoic, Cenozoic

c)

Cenozoic, Mesozoic, Paleozoic, Pre-Cambrian

d)

Mesozoic, Pre-Cambrian, Cenozoic, Paleozoic

5.

What era did trilobites, fishes, and other marine organisms dominate?

a)

Precambrian

b)

Paleozoic

c)

Mesozoic

d)

Cenozoic

6.

Which era is the most recent, the one that we are currently in?

a)

Mesozoic

b)

Paleozoic

c)

Cenozoic

d)

Precambrian

7.

Scientists chose where units of geologic time began and ended based on the appearance or disappearance of life.

a)

true

b)

false

8.

The dinosaurs and reptiles were dominant in which Era?

a)

Precambrian

b)

Mesozoic

c)

Paleozoic

d)

Cenozoic

9.

90% of Earth’s history occurred during which time?

a)

Precambrian

b)

Paleozoic

c)

Mesozoic

d)

Cenozoic

10.
The Triassic Period, the Jurassic Period, and the Cretaceous Period occurred in what era?
a)
Cenozoic
b)
Mesozoic
11.
Scientists divided the time between Precambrian Time and the present into three units of time, or eras.
a)
True
b)
False
12.

What two methods are used to divide and classify the geological time scale?

a)

Living organisms

b)

rock strata or layers

c)

DNA

d)

fossils

13.

Finding the age of a rock based on comparing the amounts of unstable, radioactive particles to stable particles in a sample is called:

a)

radiometric dating

b)

relative dating

14.

Which period is closest to present day?

a)

Cambrian

b)

Devonian

c)

Tertiary

d)

Quaternary

15.

How many years ago did the Mesozoic Era begin?

a)

25,000 years

b)

250 million years

c)

250 billion years

d)

250,000 years

16.

a model scientists use to describe the timing of events and the relationships between those events in earth’s history.

a)

geologic time scale

b)

era

c)

period

d)

epoch

17.

The second broadest/biggest division of geologic time is______________?. The Cenozoic is one of them.

a)

era

b)

eon

c)

epoch

d)

period

18.

The epoch we are currently living in is the

a)

Holocene

b)

Quaternary

c)

Cambrian

d)

Pleistocene

19.

What are the names of ALL parts of the geologic time scale in correct order from broadest to narrowest?

a)

era, period, eon

b)

eon, era, period, epoch

c)

era, eon, epoch, period

d)

eon, era, epoch, period

20.

The Phanerozoic is a

a)

eon

b)

era

c)

period

d)

epoch

21.

Known as the age of reptiles

a)

Mesozoic

b)

Cenozoic

c)

Phanerozoic

d)

Paleozoic

22.
The disappearance of a species.
a)
Evolution
b)
Extinction
c)
Migration
d)
Mutation
23.

Which of the following periods is not part of the Mesozoic Era?

a)

Cretaceous

b)

Jurassic

c)

Triassic

d)

Permian

24.

Which of the following periods occurred during the Mesozoic era:

a)

Cretaceous

b)

Jurassic

c)

Triassic

d)

Quaternary

e)

Permian

25.

Which of the following is the most recent epoch (newest)?

a)

Pleistocene

b)

Paleocene

c)

Eocene

d)

Holocene

e)

Miocene

26.

What Era was NOT part of Precambrian Time

a)

Neoproterozoic

b)

Permian

c)

Paleoproterozoic

d)

Paleoarchean

27.

How many Epochs are part of the Jurassic

a)

1

b)

2

c)

3

d)

11

28.

Which of the following correctly places theses Ages from OLDEST to NEWEST?

a)

Fishes, Amphibians, Invertebrates, Reptiles, Mammals

b)

Fishes, Invertebrates, Amphibians, Reptiles, Mammals

c)

Invertebrates, Amphibians, Fishes, reptiles, Mammals

d)

Invertebrates, Fishes, Amphibians, Reptiles, Mammals

29.

Which of the following Eons is part of Precambrian Time?

a)

Jurassic

b)

Hadean

c)

Ediacaran

d)

Phanaerozoic

30.

What time period is smaller than an Epoch

a)

Eon

b)

Era

c)

Age

d)

Period

31.

The Cenozoic is what division of geologic time

a)

Eon

b)

Era

c)

Age

d)

Period

32.

The divisions of time from smallest to largest

a)

Epoch, Period, Era, Eon

b)

Era, Eon, Epoch, Period

c)

Epoch, Era, Eon, Period

d)

Period, Epoch, Era, Eon

33.

Which of the following is the oldest

a)

Cenozoic

b)

Mesozoic

c)

Paleozoic

d)

Precambrian

34.

Which of the following periods is in the Mesozoic Era

a)

Neogene

b)

Tertiary

c)

Jurassic

d)

Permian

35.

What Era(s) are in Precambrian time

a)

Neoarchean

b)

Devonian

c)

Cenozoic

d)

Eoarchean

36.

Permian belongs to what division of geologic time?

a)

Eon

b)

Era

c)

Period

d)

Epoch

37.

What age is not part of the Paleogene?

a)

Lutetian

b)

Rupelian

c)

Albian

d)

Ypresian

38.

What division of geologic time is the Eocene

a)

Eon

b)

Era

c)

Period

d)

Epoch

39.

Which of the following periods is the youngest

a)

Cretaceous

b)

Triassic

c)

Jurassic

40.

What division of time is the Permian?

a)

Eon

b)

Era

c)

Period

d)

Epoch

e)

Age

41.

Reorder the following from oldest to youngest

a)

Age of Invertebrates

b)

Age of Fishes

c)

Age of Amphibians

d)

Age of Reptiles

e)

Age of Mammals

1)
2)
3)
4)
5)
42.

Reorder the following from Oldest to Youngest

a)

Precambrian

b)

Paleozoic

c)

Mesozoic

d)

Cenozoic

1)
2)
3)
4)

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