Chapter 5 Evolution

Over time, animals may change behavior or physical appearance in response to changes in the environment. What is this called?

• resistance

• genetic change

• adaptation

• genetic variation

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Many insects can adapt very quickly to insecticides because :

• the insects' genetic structure is stable

• the insects' generation time is short

• the insects' form separate species

• they form a hard skeleton

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What do we call the process by which populations change over time?

• evolution

• speciation

• selective breeding

• adaptation

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Scientists compare organisms' DNA to support the theory that all species share a common:

• environment

• separation

• population

• ancestor

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Who was the naturalist that traveled the world to study plants and animals?

• Albert Einstein
• Charles Darwin
• Charles Barkley
• Isaac Newton

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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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What characteristic did Darwin observe about the finches on the Galapagos Islands?

• Their feathers 
• Genotypes 
• Their beaks
• Their body sizes

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When an organism completely dies out, it is called.....

• Adaption
• Extinction
• Fossilization
• Mutation

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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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