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Racing Extinction Flashcards | StudBud
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Racing Extinction
Racing Extinction
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Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
What percent of U.S. greenhouse gas emissions result from the production and transport of food?
6%
13%
9%
11%
2
What species went extinct in the last mass extinction event?
Narwahl
Unicorns
Dinosaurs
Elephants
3
There isn't anything that can be done to stop the current mass Sixth Extinction Event.
True
False
4
What do these animals have in common?
They were in danger of extinction but are making a comeback.
They will likely become extinct in our lifetime.
They are extinct.
5
What does the word extinction mean?
The dying out of a species.
The discovery of a new species.
6
How many mass extinction events have happened on Earth since life began?
5
4
3
2
7
How many species live on the planet Earth?
3.7 million
1.7 million
8.7 million
5.7 million
8
Last year, the average American used 167 disposable water bottles, but only recycled 38.
False
True
9
Speeding and unnecessary acceleration reduce mileage by up to 33%, waste gas and money.
True
False
10
The six hottest years on record occurred during the last:
150 years
50 years
100 years
10 years
11
Well-documented observable effects of recent climate change include:
an increase in earthquakes
sea level drop
Loss of polar sea ice
Larger glacial mountains.
12
Where have some of the strongest and earliest impacts of global warming occurred?
In the northern part of the Earth
In the southern part of the Earth
the impacts are distributed equally
In the USA
13
Scientists are confident that over the next 100 yrs, temperatures will rise at least ? degrees.
5.0
.5
2.5
1.5
14
The rate of extinction has been up to __ times higher than it would have been without humans.
10 times
100 times
50 times
150 times
15
What do these animal have in common?
They almost went extinct but are now making a comeback.
In your lifetime, they have gone extinct.
They are in danger of going extinct.
16
How many endangered species live in Minnesota?
12
15
9
3
17
Just by turning off the tap while brushing your teeth can save how many gallons of water a day?
6
7
9
8
18
A major contributing factor to the rising animal extinction rate is climate change.
True
False
19
Glass from recycled glass reduces water pollution by
20%
40%
30%
50%
20
Over the next 100 years, we could lose up to ______of all species on Earth.
50%
65%
15%
25%
