Evolution Review

Who developed the theory of evolution by natural selection?

• Alfred Russel Wallace

• Charles Darwin

• Jean Baptiste Lamarck

• Thomas Malthus

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The gradual change in species over time is...

• Evolution
• Nucleotide 
• Adaptation
• Natural Selection

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To adjust to a changing environment

• Mutation
• Adapt

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Darwin wrote that organisms with traits that are best suited to the environment will ________________

• increase in number
  
• become extinct
  

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The white feathers of a snowy owl allow it to blend in with its environment during the winter months (snow). This is an example of ________________

• Species
• Environmental Change
• Adaptation
• Variation

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Which condition is essential for natural selection to result in a new species?

• Longer life span

• A static environment

• An inherited variation

• Unlimited resources

If an organism has a vestigial structure, that structure likely once had a function in a(n)

• close relative
• early ancestor
• unrelated organism
• embryological stage

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Study of embryos of various organisms to show a common ancestor because of similarities in development

• natural selection
• embryology
• speciation
• evolution

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Which of the following is an example of a vestigial structure?

• the wings of a red-tailed hawk
• the hind limbs of a house cat
• the fins of sharks
• the tailbone of a human

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Two organisms that are closely related would have

• very similar DNA sequence
• exactly the same DNA sequences
• no proteins in common
• completely different DNA sequence

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