Lesson 3: Darwin's Theory of Evolution Through Natural Selection

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

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

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Which term refers to the process by which individuals that are better suited to the environment survive and reproduce therefore passing down their genes to their offspring? 

• Evolution 
• Variation 
• Adaptation
• Natural Selection 

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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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Genetic differences between organisms of the same species

• Variation
• Adaptation
• Behavior
• Environment

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The struggle for existence against other members of an organisms species is

• Competition

• Natural Selection

• gene flow

• genetic drift

What is the advantage of having different shaped beaks?

• To look different from other species.
• To be able to eat the food readily available in the environment.
• To protect itself against predators.
• To protect itself against prey.

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