ESS 101 B Laboratory 7 Quiz:
Geologic Time 134 Questions &
Answers
SECTION 1: HONOR STATEMENT AND ACKNOWLEDGMENT
(Questions 1-2)
Question 1
Laboratory Honor Statement: Cheating or plagiarism of any kind will not be
tolerated in ESS 101. This includes copying from a friend or classmate, copying
answers verbatim found on the internet, or copying any work that may answer the
question being asked. I acknowledge that I have carefully read and understand the
above statements and the consequences of cheating and plagiarism, and promise to
complete my work with integrity.
Select one:
a. True
b. False
Answer: a. True
Question 2
By submitting this quiz, I confirm that all answers are my own work and I have not
received unauthorized assistance.
Select one:
a. Agree
b. Disagree
Answer: a. Agree
SECTION 2: GEOLOGIC TIME SCALE FUNDAMENTALS (Questions 3-
20)
Question 3
The age of Earth is approximately:
a. 4.5 thousand years
b. 4.5 million years
,c. 4.5 billion years
d. 4.5 trillion years
Answer: c. 4.5 billion years
Question 4
Which eon represents the earliest time in Earth's history, before fossils with hard
parts appeared?
a. Phanerozoic
b. Proterozoic
c. Archean
d. Hadean
Answer: d. Hadean
Question 5
The Phanerozoic Eon is divided into three eras. Which of the following is NOT
one of them?
a. Cenozoic
b. Mesozoic
c. Paleozoic
d. Precambrian
Answer: d. Precambrian
Question 6
We are currently living in which era?
a. Paleozoic
b. Mesozoic
c. Cenozoic
d. Precambrian
Answer: c. Cenozoic
Question 7
The Mesozoic Era is known as the "Age of":
a. Mammals
b. Reptiles (Dinosaurs)
c. Fishes
d. Amphibians
Answer: b. Reptiles (Dinosaurs)
, Question 8
The largest mass extinction in Earth's history, which occurred at the end of the
Permian period, killed approximately what percentage of marine species?
a. 50%
b. 70%
c. 85%
d. 96%
Answer: d. 96%
Question 9
The extinction event that killed the non-avian dinosaurs occurred at the boundary
between the:
a. Paleozoic and Mesozoic
b. Mesozoic and Cenozoic
c. Precambrian and Paleozoic
d. Triassic and Jurassic
Answer: b. Mesozoic and Cenozoic
Question 10
The geologic time scale is divided into eons, eras, periods, and epochs. The
smallest division is typically:
a. Eon
b. Era
c. Period
d. Epoch
Answer: d. Epoch
Question 11
Which period is known as the "Age of Fishes"?
a. Cambrian
b. Ordovician
c. Silurian
d. Devonian
Answer: d. Devonian
Question 12
The first land plants appeared during which period?
Geologic Time 134 Questions &
Answers
SECTION 1: HONOR STATEMENT AND ACKNOWLEDGMENT
(Questions 1-2)
Question 1
Laboratory Honor Statement: Cheating or plagiarism of any kind will not be
tolerated in ESS 101. This includes copying from a friend or classmate, copying
answers verbatim found on the internet, or copying any work that may answer the
question being asked. I acknowledge that I have carefully read and understand the
above statements and the consequences of cheating and plagiarism, and promise to
complete my work with integrity.
Select one:
a. True
b. False
Answer: a. True
Question 2
By submitting this quiz, I confirm that all answers are my own work and I have not
received unauthorized assistance.
Select one:
a. Agree
b. Disagree
Answer: a. Agree
SECTION 2: GEOLOGIC TIME SCALE FUNDAMENTALS (Questions 3-
20)
Question 3
The age of Earth is approximately:
a. 4.5 thousand years
b. 4.5 million years
,c. 4.5 billion years
d. 4.5 trillion years
Answer: c. 4.5 billion years
Question 4
Which eon represents the earliest time in Earth's history, before fossils with hard
parts appeared?
a. Phanerozoic
b. Proterozoic
c. Archean
d. Hadean
Answer: d. Hadean
Question 5
The Phanerozoic Eon is divided into three eras. Which of the following is NOT
one of them?
a. Cenozoic
b. Mesozoic
c. Paleozoic
d. Precambrian
Answer: d. Precambrian
Question 6
We are currently living in which era?
a. Paleozoic
b. Mesozoic
c. Cenozoic
d. Precambrian
Answer: c. Cenozoic
Question 7
The Mesozoic Era is known as the "Age of":
a. Mammals
b. Reptiles (Dinosaurs)
c. Fishes
d. Amphibians
Answer: b. Reptiles (Dinosaurs)
, Question 8
The largest mass extinction in Earth's history, which occurred at the end of the
Permian period, killed approximately what percentage of marine species?
a. 50%
b. 70%
c. 85%
d. 96%
Answer: d. 96%
Question 9
The extinction event that killed the non-avian dinosaurs occurred at the boundary
between the:
a. Paleozoic and Mesozoic
b. Mesozoic and Cenozoic
c. Precambrian and Paleozoic
d. Triassic and Jurassic
Answer: b. Mesozoic and Cenozoic
Question 10
The geologic time scale is divided into eons, eras, periods, and epochs. The
smallest division is typically:
a. Eon
b. Era
c. Period
d. Epoch
Answer: d. Epoch
Question 11
Which period is known as the "Age of Fishes"?
a. Cambrian
b. Ordovician
c. Silurian
d. Devonian
Answer: d. Devonian
Question 12
The first land plants appeared during which period?
