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Prentice Hall Earth Science Chapter 13: Earth's History Flashcards | StudBud
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Prentice Hall Earth Science Chapter 13: Earth's History
Prentice Hall Earth Science Chapter 13: Earth's History
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A review that covers the basic points of Earth's history.
Flashcards
22 cards
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Practice quiz
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Host live
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Questions
22
Answers
1
True or False:
The most common Precambrian fossils are stromatolites.
True
False
2
The Precambrian era is about _____ years long.
2 billion
3 billion
5 billion
4 billion
3
True or False:
Mammals replaced reptiles as the dominant land animals in the Cenozoic.
False
True
4
True or False:
Hair and live birth allowed mammals to lead more active lives than reptiles.
True
False
5
True or False:
By the end of the Paleozoic, the continents hadn't fused into Pangaea yet.
False
True
6
Primitive organisms evolved that used _____ and released oxygen.
diversification
photosynthesis
cellular respiration
erosion
7
Why did amphibians rapidly diversify?
they had minimal competition from other land dwellers
they could survive on land and in water
they needed to protect themselves from predators
they had trouble surviving in their current conditions
8
Why did reptiles become the dominant land animals of the Mesozoic era?
they could disguise themselves easily
they were heavily diversified
they had the perfection of the shelled egg
they had almost no predators
9
What became the dominant plants of the Mesozoic?
gymnosperms
tribolites
angiosperms
stromatolites
10
True or False:
Nitrogen began to accumulate in the atmosphere about 2.5 billion years ago.
False
True
11
Life in early Paleozoic time was restricted to _____.
the seas
land
12
Who replaced gymnosperms as the dominant land plants?
angiosperms
trilobites
stromatolites
13
The Cenozoic era is divided into the Tertiary period and the _____ period.
Devonian
Quaternary
Cambrian
Cretaceous
14
True or False:
By the end of the Mesozoic, many reptile groups became extinct.
False
True
15
Earth's original atmosphere was made up of what gases?
carbon dioxide
helium
nitrogen
water vapor
16
During the Cambrian, Ordovician, and Silurian periods, Gondwana encompassed what?
Australia
South America
Africa and parts of Asia
Antarctica
17
The Precambrian covers geological time from Earth's beginning to the start of the _____ period.
Mesozoic
Cenozoic
Paleozoic
Cambrian
18
The most recent 540 million years after the Precambrian are divided into which eras?
Cenozoic
Proterzoic
Mesozoic
Paleozoic
19
Plate interaction during the Cenozoic caused which events?
earthquakes in the West
volcanism
mountain building
tide changes
20
About 400 million years ago, plants that had _____ began to move inland, becoming land plants.
began photosynthesis
stayed away from land
few predators
adapted to survive at the waters edge
21
Much of what we know about Precambrian rocks came from exploring the mineral resources in what?
volcanic emissions
shields
fossils
stromatolites
22
True or False:
The breakup of Pangaea was a major event in the Mesozoic era.
False
True
