Overproduction, variation, adaptation, and _____________ - are the 4 conditions for natural selection to occur
Fitness
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thief
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shark
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shark
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thief
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thief
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star
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gift
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A characteristic of different organisms that have similar function but not necessarily the same structure and did not come from the same common ancestor
Analogous Structure
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True/False - We can observe changes in life forms by observing the fossil record
TRUE
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The ability of an organism to survive and reproduce in its environment
Fitness
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To understand evolutionary relationships, scientists these days mostly look at _____________.
DNA
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25
This is the study within biology that looks at where organisms live(d) past/present
Biogeography
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banana
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fairy
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baam
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This is a trait that makes an organism more suited to its environment
Adaptation
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This is the mechanism for evolution as proposed by Charles Darwin
Natural Selection
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If species do not evolve, they go __________________ .
Extinct
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20
An example of a Homologous molecule
Answers vary: DNA, RNA, Protein, Cytochrome C
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Some organisms that share a common ancestor have features that have different functions, but similar structures. These are known as