ANT 2511 Lecture Notes - Lecture 15: Quadrupedalism, Ardipithecus, Dentition

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26 Jul 2018
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The term 'hominin' refers to the taxonomic group consisting of?
Humans and their ancestors since the time of divergence from a common ancestor with chimpanzees
bonobos
Recent paleoenvironmental reconstructions and anatomical evidence suggest that the earliest members
of the hominin lineage evolved in?
Forested woodland
How is a human hallux (big toe) different from an apes?
The ape hallux is divergent and smaller
What hominin is the earliest hominin?
Ardipithecus
When does Ardipithecus date to?
Over 4 mya
Australopithecus afarensis had what type of skeletal structure?
Upper extremities and a skull that resembled apes, with a pelvis and lower extremities that looked
human
The australopithecine lineage went extinct went extinct about:
1 mya
What do we think the "robust" australopithecines ate?
grasses and sedges
Why is the fossil "Lucy" so famous?
it is the most complete early hominin fossil
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