Staar Natural Selection

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 organism knew it needed that trait, survives, and passes it on.

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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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What process is being shown in this image?

• Variation

• Natural Selection

• Selective Breeding

• Homeostasis

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"Organisms that are better adapted to the environment survive to pass traits to their offspring" is the definition of

• Natural Selection

• Evolution

• Selective Breeding

• Artificial Selection

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Process by which individuals that are better suited to their environment survive and reproduce most successfully; also called natural selection. (a)  

• Survival of the Fittest

• Extinction

• Derived trait

• Artificial Selection

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One mechanism that causes evolution is ​ (a)   .

• natural selection

• biogeography

• vestigial structures

• homologous structures

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The mechanism that causes evolution is ​ (a)   .

• natural selection

• biogeography

• vestigial structures

• homologous structures

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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 a beneficial 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 organisms are most likely to survive?

• the best adapted

• the fastest

• the strongest

• the most domesticated (tamed)

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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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