Evolution by natural selection

The Theory of Evolution was proposed by what scientist?

• Charles Darwin

• Albert Einstein

• Steven Hawking

• Isaac Newton

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

• natural selection

• mutation

• camouflage

• adaptation

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Do organisms "decide" to evolve and change?

• Yes, they know they need to change to survive 
• No, they change because of natural selection

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Why is the mouse population changing over time?

• The light mice can reproduce more successfully than the dark mice
• The hawks eat more dark mice than light mice because the dark mice taste better
• The hawks eat more light mice than dark mice because they can see the light mice more easily
• The hawks eat more dark mice than light mice because they can see the dark mice more easily

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These moths are all the same species. The differences between their wings is an example of ________________

• Natural Selection

• Genetic Variation

• Homeostasis

• Extinction

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Which best describes the role of mutations in natural selection?

• Mutations help an organism to better survive in their environment
• An organism may acquire a helpful mutation by interacting with the environment
• A mutation may result in an adaptive trait that makes an organism more likely to survive and reproduce
• Organisms with certain traits are more likely to win competitions for mutations

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Which of the following is an inherited trait.

• A bear searches in a different river than the other bears

• A bird has slightly longer wings than most of it's population

• A tortoise lives to be 200 years old

• A polar bear dies of starvation

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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. This is an example of a(n) ________________.

• species

• environmental change

• adaptation

• variation

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