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eraser
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fairy
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5
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25
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fairy
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25
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baam
Lose 25 points!
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15
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A scientist found a fossil near the water, its bones had been replaced by minerals. What type of fossil was found?
mineralized fossil (mineralization)
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15
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body parts in an organism that no longer have a function (like your apendix)
vestigial structure
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banana
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gold
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gift
Win 5 points!
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thief
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15
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What is Charles Darwin's theory that organisms change slowly over time?
theory of natural selection
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15
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the study of similarities and differences among structures (body parts) in organisms
comparative anatomy
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What are variations that cause an organism to live longer and reproduce more?
adaptations
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boom
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fairy
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rocket
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thief
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15
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An insect wing and a bird wing are an example of what type of structures?
analogous structures
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15
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Scientists find a fossil and find it is 60 million years old. What type of dating are they using?
absolute-age dating
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15
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A whale fin and a human arm are examples of what type of structures?
homologous structures
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Migrating, in birds, is an example of what type of adaptation?
behavioral
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lifesaver
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rocket
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shark
Other team loses 10 points!
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thief
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15
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A whale pelvis and your appendix are examples of what type of structures?
vestigial structures
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15
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Species that are related share a _______________ ancestor.
common
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15
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Which structures (homologous or analogous) show us that species are related?
homologous
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