Evolution

A small population leaves the larger population and moves to an island.  The larger population still exists. This is an example of

• genetic drift
• bottleneck effect
• founder effect
• gene flow

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Which will scientists most likely use to classify a newly-discovered organism?

• knowledge of diet

• biochemical or molecular makeup

• location where it can be found

• physical characteristics

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Evolution happens because of ____________ and natural selection.

• mutations
• color preference
• gene pools
• Charles Darwin

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A mutation can happen when _______.

• the wrong base is used in the place of the correct base
  
• a base is left out
  
• a different order of bases occur from the original
• All of the above. 

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Biological evolution can occur through all of these except ____.

• competition
• fossilization
• variation 
• adaptation

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Which component of natural selection is directly related to genes?

• natural variability in populations
• over-reproduction of offspring
• environmental change
• resource limitations 

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Two different species evolving from a common ancestor most likely occurs ______.

• within three generations.
• over a long period of time.
• when a species is overpopulated.
• when there are abundant resources.

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Which is a source of genetic variation?

• mutations
• artificial selection
• exponential growth
• genetic bottle necking

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The theory of Natural Selection was developed by

• Darwin
• Lemarck
• Gould
• Weissman

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______ is the formation of new species as a result of evolution by natural selection.

• Speciation
• Convergent evolution
• Divergent evolution
• None of these

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