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10
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Provide an example for how species vary over time.
Species that have gone extinct resemble species currently living today.
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10
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How does the fossil record provide evidence for evolution?
It shows gradual change in structures over time.
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5
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During his travels, what did Darwin notice about variation among organisms? (3 ways species vary)
global, local, over time
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10
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Which organism is most distantly related to humans. How do you know?
hawk or frog--same number of DNA differences; squirrel has most similar DNA pattern
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5
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Provide an example of an adaptation.
giraffes have long necks to eat leaves from tall trees
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boom
Lose 50 points!
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seesaw
Swap points!
Okay!
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rocket
Go to first place!
Okay!
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banana
Go to last place!
Oops!
5
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Define "fitness"
adaptations allow for organisms to survive and reproduce based on the environment in which they live
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5
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What types of advantages do birds with large beaks have over birds with smaller beaks?
stronger for cracking seeds/ breaking into food source
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5
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Provide an example of a vestigial structure.
human tailbone, whale pelvis
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10
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Describe directional selection.
Selection that favors extreme type traits.
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thief
Give points!
5
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25
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magnet
Take 25 points!
Okay!
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shark
Other team loses 25 points!
Okay!
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lifesaver
Give 25 points!
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baam
Lose 10 points!
Oops!
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magnet
Take 25 points!
Okay!
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rocket
Go to first place!
Okay!
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banana
Go to last place!
Oops!
10
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Describe stabilizing selection.
selection that favors mid-type traits
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20
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What are the four main components of natural selection?
variation, heritability, overpopulation, differential fitness
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5
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What is natural selection?
process in which organisms better adapted to their environments are more likely to survive and reproduce offspring
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10
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Provide an example for how species vary locally.
Finches living close together have different sized beaks because they live in different habitats.
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