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ANTH 1020 CH 10 EXAM WITH 100%
ACCURATE SOLUTIONS +
RATIONALES 2025
What “ape-like” traits are found in the Proconsulids? (Mark all that apply)
(12.1, 12.3) Correct!
No tail Y-5 molar pattern
Similar length in front and hind limbs
Elbows could extend fully
Question 2
pts
Hominins have two obligate behaviors, what are they? (Mark all that apply)
(12.1, 12.4)
Speech
Bipedalism
Non-honing complex
Tool use
Question 3
pts
Which trait is associated with bipedalism? (12.1, 12.4)
You Answered
An opposable hallux (big toe)
The foramen magnum (hole of the spinal cord) is positioned at the back of the skull.
A foreshortened ilium (pelvis bone)
Loss of a coccyx (tail bone)
Question 4
pts
Identify a disadvantage of bipedalism. (12.1, 12.5)
An ability to see over tall grass
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Increased demand on the circulatory system
Decreased exposure to the sun
An ability to run long distances
Omomyoid
Parapithecid
Proconsul
Dryopithecus
Question 6
pts
Some of the earliest platyrrhine fossils have been found in Africa but all living platyrrhines now
populate South America. How they got across the ocean is very puzzling to researchers, which
hypothesis is currently supported by the most evidence? (12.1, 12.3)
Platyrrhines originated in Africa then rafted across the Atlantic to South America.
The platyrrhines originated in North America and traveled down into South
America
Old and New World haplorhines evolved independently
Platyrrhines crossed the Bering strait then travelled onward to South America
Question 7
pts
Identify a dating method that indicates that something is older or more recent than something
else: (12.1, 12.2)
K/Ar method
Absolute dating methods
Relative dating methods
Thermoluminescense (TL) method
Question 8
pts
Radiocarbon dating is only useful when trying to determine the age of: (12.1, 12.2)
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ANTH 1020 CH 10 EXAM WITH 100%
ACCURATE SOLUTIONS +
RATIONALES 2025
What “ape-like” traits are found in the Proconsulids? (Mark all that apply)
(12.1, 12.3) Correct!
No tail Y-5 molar pattern
Similar length in front and hind limbs
Elbows could extend fully
Question 2
pts
Hominins have two obligate behaviors, what are they? (Mark all that apply)
(12.1, 12.4)
Speech
Bipedalism
Non-honing complex
Tool use
Question 3
pts
Which trait is associated with bipedalism? (12.1, 12.4)
You Answered
An opposable hallux (big toe)
The foramen magnum (hole of the spinal cord) is positioned at the back of the skull.
A foreshortened ilium (pelvis bone)
Loss of a coccyx (tail bone)
Question 4
pts
Identify a disadvantage of bipedalism. (12.1, 12.5)
An ability to see over tall grass
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, For more exams
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Increased demand on the circulatory system
Decreased exposure to the sun
An ability to run long distances
Omomyoid
Parapithecid
Proconsul
Dryopithecus
Question 6
pts
Some of the earliest platyrrhine fossils have been found in Africa but all living platyrrhines now
populate South America. How they got across the ocean is very puzzling to researchers, which
hypothesis is currently supported by the most evidence? (12.1, 12.3)
Platyrrhines originated in Africa then rafted across the Atlantic to South America.
The platyrrhines originated in North America and traveled down into South
America
Old and New World haplorhines evolved independently
Platyrrhines crossed the Bering strait then travelled onward to South America
Question 7
pts
Identify a dating method that indicates that something is older or more recent than something
else: (12.1, 12.2)
K/Ar method
Absolute dating methods
Relative dating methods
Thermoluminescense (TL) method
Question 8
pts
Radiocarbon dating is only useful when trying to determine the age of: (12.1, 12.2)
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