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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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5
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What is being shown in the image?
Geologic Time Scale
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10
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What does survival of the fittest mean?
organisms best adapted to the environment will produce more offspring
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10
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Describe directional selection.
Selection that favors extreme type traits.
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What is an analogous structure?
Structures with the same type of function but not a similar internal makeup (ex: insect wings vs bird wings)
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10
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Describe disruptive selection.
Selection that favors both extreme type traits.
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10
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Provide an example of variation in a population of butterflies might vary.
wing shape, size, pattern, etc.
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5
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How does variation in a population occur?
Random mutations
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lifesaver
Give 25 points!
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gold
Win 50 points!
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gift
Win 20 points!
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banana
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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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Which period occurred further back in Earth's history--Jurassic or Permian? EXPLAIN.
Jurassic--time gets more recent as you move down the time scale.
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10
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How do the wings of a bat and the fin of a whale provide evidence for evolution?
These structures are homologous (same bone types) indicating that these organisms were related by a common ancestor.
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trap
No points!
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fairy
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25
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shark
Other team loses 25 points!
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thief
Give points!
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5
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What makes a trait "heritable"?
It can be passed on from parents to offspring via DNA.
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5
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Owls have large eyes to see prey during the night time. Large eyes increase an owl's fitness and are an example of an..
adaptation
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banana
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gold
Win 50 points!
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fairy
Take points!
5
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25
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banana
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