Anthro 101 Exam 3 Questions and
Answers Graded A+
An absolute dating method for organic remains such as bone or shell, in which the
amount of change in the amino acid structures is measured - Correct answer-
Amino acid dating
The principle of faunal succession was created by
A. William Smith.
B. Georges Cuvier.
C. Charles Lyell.
D. Thomas Jefferson. - Correct answer-A
A relative dating method that uses the associations of fossils in strata to determine
each layer's approximate age - Correct answer-Biostratigraphic dating
Why is it unlikely that platyrrhine ancestors migrated from North America and
evolved into the platyrrhine species of the Oligocene?
A. There is no evidence of a genetic relationship.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,B. There is no evidence that there were anthropoids in North or South America
during the Eocene or Oligocene.
C. There is no evidence that the ancestors could have crossed from North to South
America.
D. There is no evidence of a genetic relationship or that the ancestors could have
crossed from North to South America. - Correct answer-B
Plants that take in carbon through C3 photosynthesis, which changes carbon
dioxide into a compound having three carbon atoms; tending to be from more
temperate regions, these plants include wheat, sugar beets, peas, and a range of
hardwood trees - Correct answer-C3 plant
Which of the following was NOT one of the traits identified in the Ida fossil as a
likely primate ancestor?
A. Grasping hands
B. Shortened face
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
,C. Opposable thumbs
D. Fingernails
E. Tail - Correct answer-E
Plants that take in carbon through C4, photosynthesis, which changes carbon
dioxide into a compound with four carbon atoms; these plants tend to be from
warmer regions with low humidity and include corn, sugarcane, millet, and prickly
pear - Correct answer-C4 plant
The study of what happens to the remains of an organism is called
A. taphonomy.
B. paleontology.
C. fossilization.
D. geology. - Correct answer-A
The era lasting from 66 mya until the present, encompassing the radiation and
proliferation of mammals such as humans and other primates - Correct answer-
Cenozoic
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
, Which of the following traits separate haplorhines (monkeys, apes, and humans)
from strepsirhines (lemurs, lorises) and may be found in the "missing link"
between these two groups?
A. Grasping hands
B. Opposable thumbs
C. Reduced snout
D. Prehensile tail
E. Forward-facing eyes - Correct answer-C
Dating methods that use predictable changes that occur over time - Correct answer-
Chemical dating
Rapid evolutionary change during long, static periods is known as
A. punctuated equilibrium.
B. stasis.
C. gradualism.
D. adaptation. - Correct answer-A
Relative dating methods that are based on material remains' time spans - Correct
answer-Cultural dating
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
Answers Graded A+
An absolute dating method for organic remains such as bone or shell, in which the
amount of change in the amino acid structures is measured - Correct answer-
Amino acid dating
The principle of faunal succession was created by
A. William Smith.
B. Georges Cuvier.
C. Charles Lyell.
D. Thomas Jefferson. - Correct answer-A
A relative dating method that uses the associations of fossils in strata to determine
each layer's approximate age - Correct answer-Biostratigraphic dating
Why is it unlikely that platyrrhine ancestors migrated from North America and
evolved into the platyrrhine species of the Oligocene?
A. There is no evidence of a genetic relationship.
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,B. There is no evidence that there were anthropoids in North or South America
during the Eocene or Oligocene.
C. There is no evidence that the ancestors could have crossed from North to South
America.
D. There is no evidence of a genetic relationship or that the ancestors could have
crossed from North to South America. - Correct answer-B
Plants that take in carbon through C3 photosynthesis, which changes carbon
dioxide into a compound having three carbon atoms; tending to be from more
temperate regions, these plants include wheat, sugar beets, peas, and a range of
hardwood trees - Correct answer-C3 plant
Which of the following was NOT one of the traits identified in the Ida fossil as a
likely primate ancestor?
A. Grasping hands
B. Shortened face
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
,C. Opposable thumbs
D. Fingernails
E. Tail - Correct answer-E
Plants that take in carbon through C4, photosynthesis, which changes carbon
dioxide into a compound with four carbon atoms; these plants tend to be from
warmer regions with low humidity and include corn, sugarcane, millet, and prickly
pear - Correct answer-C4 plant
The study of what happens to the remains of an organism is called
A. taphonomy.
B. paleontology.
C. fossilization.
D. geology. - Correct answer-A
The era lasting from 66 mya until the present, encompassing the radiation and
proliferation of mammals such as humans and other primates - Correct answer-
Cenozoic
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
, Which of the following traits separate haplorhines (monkeys, apes, and humans)
from strepsirhines (lemurs, lorises) and may be found in the "missing link"
between these two groups?
A. Grasping hands
B. Opposable thumbs
C. Reduced snout
D. Prehensile tail
E. Forward-facing eyes - Correct answer-C
Dating methods that use predictable changes that occur over time - Correct answer-
Chemical dating
Rapid evolutionary change during long, static periods is known as
A. punctuated equilibrium.
B. stasis.
C. gradualism.
D. adaptation. - Correct answer-A
Relative dating methods that are based on material remains' time spans - Correct
answer-Cultural dating
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
