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ANT 2000 QUIZ 3 QUESTIONS WITH ALL CORRECT ANSWERS

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ANT 2000 QUIZ 3 QUESTIONS WITH ALL CORRECT ANSWERS what is language?` - Answer- symbol-based communication; learned; open system how old is the earth? - Answer- 4.6 billion years how old is life on earth? - Answer- 3.5-4 billion years geological time scale intervals - Answer- eons, era...

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  • November 12, 2024
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  • ANT 2000
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ANT 2000 QUIZ 3 QUESTIONS
WITH ALL CORRECT ANSWERS

what is language?` - Answer- symbol-based communication; learned; open system

how old is the earth? - Answer- 4.6 billion years

how old is life on earth? - Answer- 3.5-4 billion years

geological time scale intervals - Answer- eons, eras, periods, epochs

how do paleontologists decide when an interval starts and ends? - Answer- when fossil
composition of sedimentary rocks changes

global time scale (GTS) - Answer- - Precambrian, Phanerozoic eons
- Paleozoic, Mesozoic, Cenozoic eras
- Paleocene, Eocene, Oligocene, Miocene, Pliocene, Pleistocene, Holocene epochs

Precambrian, Phanerozoic eons - Answer- 4.6 B years to 570 M years ago

Paleozoic, Mesozoic, Cenozoic eras - Answer- 570 M years ago to present

Paleocene, Eocene, Oligocene, Miocene, Pliocene, Pleistocene, Holocene epochs -
Answer- 65 M years ago to present

major events in the history of life - Answer- - Origin of the universe (13.75 b.y.a.)
- Origin of the solar system (5 b.y.a.)
- Origin of the earth (4.6 b.y.a)

Paleocene - Answer- (65-55 mya) earliest primates plesiadapiformes; extinction of
dinosaurs; milder climate (tropical/subtropical forests)

Eocene - Answer- (55-36 mya) adapaformes thumbs, nails instead of claws, bony eye
protection; climate begins to cool

does first fossil = first existence? - Answer- no

anthropoids - Answer- eyes close together w/ bony protection, fused forehead &
jawbone

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