Quizizz for Biology Test: Evolution

One of the major elements of natural selection is that all species have genetic....

• Digression
• Melanism
• Stability 
• Variation

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A population of bacteria is treated with hand sanitizer. Because of genetic variation in the population, what is a possible outcome?

• Some may be resistant and survive
• They will get better at obtaining a food source
• The population will grow quickly
• All of the bacteria are already resistant

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One of the biggest ways that a species evolves is because some organisms with some traits survive and reproduce better than others. This process is known as...

• Convergent evolution
• Sexual selection
• Natural selection
• Coevolution

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Genes for traits that help an organism be more successful reproductively can be expected to....

• Cause it to evolve into a new species

• Eventually be eliminated by natural selection

• Cause the extinction of the species

• Become more common in future species

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An adaptation is...

• A trait that helps an organism survive in its environment
• How an organism evolves during its own lifetime
• Any trait an organism possesses 
• A gene an organism has

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Genetic diversity is ultimately/mainly the result of....

• Mitosis
• Mutations
• Crossing over
• Gene flow

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Which of the following does NOT increase genetic variation? 

• Gene flow
• Crossing over
• Mutations
• Mitosis

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Which of the following is not a principle of natural selection?

• Organisms compete for limited resources
• In every population, adaptations allows some organisms to survive and reproduce better than others
• Evolution will occur as an organism gets older and learns more
• Most species produce more offspring than will actually reproduce

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Which of the following is not an example of evolution?

• Human brains becoming larger over time
• Horses becoming taller and faster over millions of years
• A caterpillar going through a change into a butterfly
• All species of tortoises in the Galapagos islands descending from a common ancestor 

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Individuals that are well adapted to their environment will survive and produce

• Fewer mutations

• Stronger genes

• Better traits

• More offspring with traits suited to the environment

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