Evolution and Natural Selection

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

• Adaption
• Extinction
• Fossilization
• Mutation

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Genetic differences between organisms of the same species

• Mutation

• Adaptation

• Behavior

• Environment

Darwin referred to this as survival of the fittest. Over time, it results in changes in the inherited characteristics of a population because organisms with adaptations that make them fit for their environment will survive and reproduce better than those without favorable traits.

• Natural Selection
• Genetic Variation
• Survival of the Fittest

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

• Competition
• Natural Selection
• gene flow
• genetic drift

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Remains of ancient organisms are called

• Extinctions
• Fossils
• Mutations
• Variations

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Which of the following is NOT a factor that affects the process of natural selection?

• Overpopulation
• Fossils
• Competition
• Variations

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A group of similar organisms that can mate with each other and produce fertile offspring is called a species.  

• True  
• False

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