Evolution

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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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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Genetic differences between organisms of the same species

• Variation
• Adaptation
• Behavior
• Environment

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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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The separation of a group of individuals from the rest of the population is referred to as 

• genetic drift
• natural selection
• geographic isolation
• survival of the fittest

Why are advantageous traits more likely to be passed onto offspring?

• Because they are more likely to survive and reproduce.
• Because they come from dominant alleles.
• Because they come from recessive alleles.
• Because the trait is an acquired phenotype.

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a measure of how commonly a particular allele occurs in a population is known as the 

• gene pool
• allele frequency
• mutation rate
• phenotype

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What increases genetic variation when animals move  from one population to another

• genetic drift
• sexual selection
• bottleneck effect
• gene flow

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