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 environment around Manchester, England, changed during the Industrial Revolution.  How did this change affect peppered moths living in the area?

• Natural selection favored moths with dark wings because predators could not see them on the soot-colored trees.
• Natural selection favored moths with white wings that were easy for predators to see.
• Natural selection favored moths with white wings because predators could not see them on the soot-colored trees.
• Natural selection caused moths with white wings to become extinct.

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Which statement about evolution in the Galapagos finches is true?

• Natural selection on beak size and shape is driven by food.

• Mate choices likely plays no role in their evolution.

• Stabilizing selection has favored an intermediate beak type.

• None of the finch species is reproductively isolated

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Darwin's theory of evolution suggests that....

• species change over time

• different species can interbreed

• extinct species are not related to living species

• animals that look alike are most closely related

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When a farmer breeds only his or her best livestock, the process involved is.......

• natural selection

• artificial variation

• artificial selection

• survival of the fittest

Organisms with differences/variations that are helpful will ______________________

• live longer
• become extinct
• show no change

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What word describes a trait that helps an organism survive in its environment?

• natural selection

• mutation

• camouflage

• adaptation

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Which organisms are most likely to survive?

• the best adapted
• the fastest
• the strongest
• the most domesticated (tamed)

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There is a species of beetle that has two variations in the population: brown beetles and green beetles. About 82% of all brown beetles survive to adulthood while only 31% of green beetles survive to adulthood. Which of the following statements is true about the fitness of these beetles?

• The green beetles have higher fitness

• The brown beetles have higher fitness

• The green beetles have more adaptations

• The brown and green beetles have the same level of fitness

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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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