This is Jeopardy

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This is Jeopardy

Human Evolution

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Final Jeopardy

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C1-100-The answer is…

What two characteristics are common to all primates?

Binocular vision and movable fingers and toes

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Why was the discovery of Lucy so important?

Showed that bipedalism came before a large brain

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Name three prosimian primates

Lemurs, lorises, tarsiers

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C1-400-The answer is…What one thing do scientists look at on a fossil to determine whether it is a hominid?

If the bones indicate bipedalism

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Which hominid species had the most sophisticated tools?

Homo sapiens

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The earliest evidence of modern Homo sapiens came from sites in

Africa

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Were all australopithecines bipedal?

yes

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Do modern humans belong to the same genus as the australopithecines?

No – modern humans belong to the genus homo

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Where did Neanderthals live?

Europe – mainly in the area of France

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Why were the finger drawings in the caves in Australia significant?

They demonstrated the ability to think abstractly

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The oldest hominid fossils dated to 4.5 million years ago are known as?

Ardipithecus Ramidus

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What was Homo habilis known for?

Making tools

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What does Prehensile mean?

The ability to grasp

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What was the purpose of the sagittal crest?

To attach big jaw muscles

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What information can you get from fossilized skull fragments?

Size of brain, whether they had a brow ridge or sagittal crest.

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What information can you get from fossilized teeth?

Diet, wear patterns can tell you about other activity (animal skins), what the environment was like from their dietBack

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C4-200-The answer is…What are three characteristics unique to anthropoid primates?Well developed collar bones

Rotating shoulder joints

Opposable thumb

Similar dental formula

Large brain to body size

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C4-300-The answer is…Name anatomical features that support bipedalism.Cup shaped pelvis

S-shaped spine

Foramen magnum at bottom of skull

Short aligned toes

Stiff knee below body

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C4-400-The answer is…What are the advantages of being a biped?Use of hands for carrying children and food, for protection, for feeding, for play or gesture

Less heat loss

Able to travel farther – more efficient locomotion

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How did bipedalism increase fitness?

Able to eat more efficiently with hands

Better able to take care of/protect young

Able to see farther for food or predators

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C5-100-The answer is…Summarize the multiregional hypothesis.

Modern humans evolved in parallel worldwide from Homo erectus – must have gene flow between populations

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Explain the African origin hypothesis

Modern humans originated in Africa 100,000 – 200,000 years ago and then migrated into the rest of the world.

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When it comes to hominids, what is the relationship between body size and brain size?

Direct proportion – bigger body = bigger brain

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C5-400-The answer is…Compare the skull of a human with that of a gorilla.Gorilla: brow ridge, prognathic face, foramen magnum at back of skull, sagittal crest, u-shaped jaw

Human: small face, no brow ridge, flat face under skull, V-shaped jaw, foramen magnum at bottom, no sagittal crest

*Both have similar dental formula

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How were Neanderthals different from Cro-Magnon’s?

Neanderthals had heavy bones, thick brow ridges, large protruding teeth, shorter but very heavily built

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Final JeopardyWhat was the final theory in the Neanderthal movie? What evidence do scientists have to support it? What evidence disputes it?

1. Neanderthal and Cro-Magnon interbred

2. Skeleton of 4 yr. old boy found that dates 3000 years after Neanderthal. Skull similar to Cro-Magnon but skeleton similar to Neanderthal

3. Dispute: there is no DNA evidence of Neanderthal genes in our sequences.

Back End Game

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This is Jeopardy