Week 2 Microevolution Quiz

What is the term for a feature that allows an organism to survive better in its environment?

• variation

• adaptation

• homologous structure

• vestigial structure

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Some organisms that share a common ancestor have features that have different functions, but similar structures.  These are known as

• vestigial structures
• analogous structures
• homologous structures
• fossil structures

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The gradual change in species over time is...

• Evolution
• Nucleotide 
• Adaptation
• Natural Selection

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When organisms are better adapted to their environment they will survive and reproduce more successfully than organisms less adapted. This process is called what?

• Selective breeding

• Natural Selection

• Cloning

• Evolution of all species

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What is the study of organisms at the early stages of development?

• DNA studies

• Comparative Embryology

• Extinction

• Fossil Record

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T5. What does the image represent?

• Founder effect
• Bottleneck effect
• Mutation
• Natural Selection

If 98 out of 200 individuals in a population express the recessive phenotype, what percent of the population would you predict would be heterozygous?

• 70%

• 30%

• 42%

• 49%

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What type of selection is depicted in the picture where one phenotype is favored?

• stabilizing

• directional

• disruptive

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If finches with large beaks and finches with small beaks increase in a population while finches with average sized beaks decreases, which pattern of natural selection has occurred?

• Directional selection
• Disruptive selection 
• Stabilizing selection

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The hind leg bones in a whale, which are a rudimentary structure in humans corresponding to a functional structure or organ in ancestral animals, are examples of

• homologous structures

• analogous structures

• fossils

• vestigal structures

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