Biology: The Dynamics of Life, California Edition

Section 2: Human Ancestry

Human Ancestry

1.
When hominids moved from living primarily in treetops to living on the ground, they became __________.
A)Neandertals
B)anthropoids
C)arboreal
D)bipedal
2.
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This chart compares human amino acid sequences to amino acid sequences of other primates. Which of the primates is least closely related to humans?
A)lemurs
B)baboons
C)chimps
D)gorillas
3.
Which of these shows the correct order, from oldest to youngest, of these species?
A)Homo habilis - Homo erectus - Homo sapiens - Australopithecus afarensis
B)Australopithecus afarensis - Homo habilis - Homo erectus - Homo sapiens
C)Homo sapiens - Australopithecus afarensis - Homo erectus - Homo habilis
D)Homo erectus - homo habilis - Australopithecus afarensis - Homo sapiens
4.
Which of these is NOT a characteristic of Australopithecus afarensis?
A)walked upright on the ground
B)lived in small family groups
C)usually lived no longer than 25 years
D)slept on the ground
5.
Which of these statements about Homo habilis is true?
A)The teeth and jaws of H. habilis were larger than previously-discovered hominids.
B)Using radiometric dating, it has been estimated that Homo habilis lived about 3.5 million years ago.
C)The braincase of this hominid was smaller than those of australopithecines.
D)Stone tools have been discovered near fossils skulls of this hominid.
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