Unit 8 - Evolution Review

This makes an organism more suited to its environment

• species

• lifespan

• adaptation

• mutation

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Why is the mouse population changing over time?

• The light mice can reproduce more successfully than the dark mice

• The hawks eat more dark mice than light mice because the dark mice taste better

• The hawks eat more light mice than dark mice because they can see the light mice more easily

• The hawks eat more dark mice than light mice because they can see the dark mice more easily

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Match the following

• Genetic Drift

• A sudden change in one or more characteristics due to a change in a gene

• Gene Flow

• Occurs due to physical difference as a result of a genetic difference

• Migration

• The movement of organisms from one place to another

• Mutation

• Random chance; small population

• Non-Random Mating

• the movement of genes into or out of a population

Blue catfish are going extinct. A dam in a lake full of blue catfish bursts due to poor engineering and kills some of the blue catfish. This is an example of:

• Natural Selection

• Gene Flow

• Mutation

• Genetic Drift

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Many different groups of organisms have wings, even though they do not share a recent common ancestor. This is because they evolved in environments with similar selective pressures. Wings are an example of a(n) ______________ structure.

• vestigial

• analogous

• homologous

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Which best describes the phrase survival of the fittest?

• strongest in a population are most successful

• fastest in a population are most successful

• those that can survive and reproduce are most successful

• those that can live the longest are most successful

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Match the following pictures with the words they represent

• Homologous Structure

• 
• Natural selection

• 
• Artificial selection

• 
• Analogous Structure

• 

Homologous structures and vestigial structures show evidence of

• divergent evolution

• convergent evolution

• both divergent and convergent evolution

• analogous structures

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The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?

• Fossil A and C are the same age
  
• Fossil B is older than fossil C
• Fossils A is older than fossil B
• Fossil D is older than fossil C

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Comparing human hemoglobin of chimpanzees, horses, kangaroos, and chickens, reveal that humans have the fewest amino acid differences with 

• Kangaroos
• Horses
• chickens
• chimpanzees

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