GENETICS EXAM 4 CHAPTER 16
HUMAN ANCESTRY AND EVOLUTION
EDIT QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
200,000 - ANSWER In the evolutionary history of the earth, Homo sapiens probably first appeared
approximately _____ years ago.
Hominids - ANSWER _____ are ancestral to both apes and humans.
humans only. - ANSWER Hominins are ancestral to
Australopithecus - ANSWER About 4 million years ago, _____ left the African forest to dwell in the
grasslands.
T - ANSWER T/F The Denisova hominin co-existed with ancestors of modern humans and the
Neanderthals.
2.5 - ANSWER Australopithecus garhi lived about _____ million years ago.
Australopithecus afarensis. - ANSWER A 3.6 million-year-old partial skeleton, named Lucy, represents an
individual who was a member of
Homo habilis. - ANSWER The first primates known for their extensive use of tools were
T - ANSWER T/F Stone tools found with A. afarensis indicate these hominins sliced meat from bones.
Homo erectus. - ANSWER The first primates with an angled skull base that were probably able to make a
wide range of sounds
to aid speech were
, Homo erectus - ANSWER The fossil records indicates that _____ lived in families of male-female pairs,
used fire, and left evidence of social cooperation (lived
communally).
Gibraltar. - ANSWER The most recent known habitat of Neanderthals was
T - ANSWER T/F Nariokotome Boy was one of the first H. erectus individuals described.
modern humans. - ANSWER Otzi the Ice Man's genome most closely resembles that of
T - ANSWER T/F We have DNA evidence of Neanderthals because they lived in cold areas, which
preserved their
genetic material.
T - ANSWER Modern Europeans and Asians have Neanderthal DNA sequence variants in their genome.
Aegyptopithecus, Australopithecus garhi, Homo erectus, Homo floresiensis - ANSWER Which of the
following represents the correct order, from oldest to most recent?
Australopithecus garhi, Homo erectus, Denisova hominin, Homo sapiens - ANSWER Which of these is in
the correct order, from oldest to most recent?
Homo sapiens. - ANSWER Otzi the Ice Man is a well preserved example of
Orrorin tugenensis. - ANSWER All of the following are classified as Homo EXCEPT
Homo floresiensis - ANSWER Recently, fossils of a new species, called _____, were discovered in
Indonesia. They were smaller than modern humans, had a small brain,
but appeared to use tools.
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