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5
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Describe adaptation
adjustments species make to survive changes in the environment
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5
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Describe half-lives as it applies to radiometric dating
The time it takes for half of the parent isotope to decay
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5
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What is an example of Relative dating used in science?
scientists relate rock layers to each other using index fossils; superpositioning
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thief
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25
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gold
Win 50 points!
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shark
Other team loses 20 points!
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baam
Lose 15 points!
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5
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A sample of rock is found to contain 100 grams of a parent isotope. How many grams of the parent isotope will remain after two half-lives?
50
25
75
100
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5
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Explain evolution
species of organisms change over time
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thief
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gift
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fairy
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thief
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5
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What is Katelyn's favorite genre of music to listen to?
She does not have a favorite. She listens per her mood.
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5
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What is a geologic timescale?
A model of events organized by major geological and biological events.
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10
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Name one geologic and one biologic from Jurassic period
continents began to move, Atlantic ocean opens; Dinosaurs existed, Fossil fuels are forming
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10
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Why is natural selection a mechanism for biological change?
It drives evolutionary change by passing on traits and becoming dominant version of species.
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thief
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gift
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rocket
Go to first place!
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thief
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5
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Explain natural selection
Only the strong survive and make offspring
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lifesaver
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fairy
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15
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25
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gift
Win 15 points!
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banana
Go to last place!
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5
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What is Katelyn's favorite color?
Black
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5
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How are scientists able to get an exact age of a fossil?
By analyzing the radioactive decay of that fossil.
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