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Ball_Chapter 17 Lesson 4_Cenozoic Era Flashcards | StudBud
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Ball_Chapter 17 Lesson 4_Cenozoic Era
Ball_Chapter 17 Lesson 4_Cenozoic Era
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Cenozoic Era
Flashcards
15 cards
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Questions
15
Answers
1
Based on modern genetic research, where are humans believed to have originated from?
Siberia
Africa
Europe
Mesopotamia
2
Scientists believe Australian marsupials migrated from __ when these landmasses were connected.
Africa
South America
Asia
India
3
What caused the extinction of the mega-mammals?
inland sea took over grasslands used for feeding
small brains couldn't adapt to human hunting techniques
too massive to move over glaciers to better grazing lands
climate change and over hunting
4
The current Holocene epoch began as the ice age ended around _____.
11,700 years ago
2,000 years ago
66 mya
2.6 mya
5
many scientists believe humans are contributing to ______ climate change by using fossil fuels.
La Nina
global-cooling
El Nino
global-warming
6
Which two U.S. mountain ranges formed during the Cenozoic era?
Cascade and Sierra-Nevada Mountains
Cascade and Appalachian Mountains
Appalachian and Rocky Mountains
Rocky and Himalayan Mountains
7
Two human species, Homo Sapiens and Neanderthals, interacted in what part of the word?
North America
Asia
Europe
Africa
8
What mountain range was formed in the Cenozoic era when India struck Asia?
Alps
Cascades
Andes
Himalayan
9
What name describes the extraordinarily large animals seen during much of the ice age?
ice-ice mammals
mega-mammals
neanderthal mammals
ultra-mammals
10
What allowed humans to migrate from Siberia to Alaska around 15,000 years ago?
land bridge
glaciers
increased sea levels
frozen water
11
During the Pleistocene Ice Age, how much of Earth's land surface was covered with glaciers?
70%
10%
30%
50%
12
Why do we know more about the Cenozoic era than the rest of Earth's history?
the fossils are more interesting
the fossils are bigger
the fossils are better preserved
the fossils are more complex
13
T/F During the Ice Age, glaciers retreated and advanced as temperatures changed.
FALSE
TRUE
14
What is the Cenozoic era known as?
Age of Mammals
Age of Fishes
Age of Reptiles
Age of Dinosaurs
15
What is the process by which land bridges form?
temps warm, water goes to ice, sea level rise, land exposed
temps warm, water goes to ice, sea level falls, land exposed
temps cool, water goes to ice, sea level falls, land exposed
temps cool, water goes to ice, sea level rise, land exposed
