The australopiths differed from the common chimpanzee in:a the number of different kinds of teeth on each side of each jaw.b the spacing of the orbits (eye-sockets) on the face.c the inability to rotate the arm around the shoulder joint.d the shape of the pelvis.e the lack of an opposable thumb. Which of the following skeletal parts would be most useful for determining whether a 4-million-year-old species was a hominin (vs. an ape)?a the clavicle (collarbone)b the part of the skull that shows the spacing between the orbitsc the proximal (shoulder) end of the humerus (upper arm bone)d the distal (knee) end of the femur (thigh bone)e a lower left jaw with two incisors, one canine, two premolars, and three molars By 3 million years ago, the australopithecines were:a extinct in Africa but common in Southeast Asiab common in East and South Africac adapting to cold glacial climates in Europed rafting to South Americae none of the above

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Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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The australopiths differed from the common chimpanzee in:

a		the number of different kinds of teeth on each side of each jaw.
b		the spacing of the orbits (eye-sockets) on the face.
c		the inability to rotate the arm around the shoulder joint.
d		the shape of the pelvis.
e		the lack of an opposable thumb.

Which of the following skeletal parts would be most useful for determining whether a 4-million-year-old species was a hominin (vs. an ape)?

a		the clavicle (collarbone)
b		the part of the skull that shows the spacing between the orbits
c		the proximal (shoulder) end of the humerus (upper arm bone)
d		the distal (knee) end of the femur (thigh bone)
e		a lower left jaw with two incisors, one canine, two premolars, and three molars

By 3 million years ago, the australopithecines were:

a		extinct in Africa but common in Southeast Asia
b		common in East and South Africa
c		adapting to cold glacial climates in Europe
d		rafting to South America
e		none of the above

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