Natural Selection Review

Natural selection occurs during the lifetime of a single organism.

• True

• False

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What is most likely to happen to moth populations in the picture shown?

• Light moths--hunted easily, dark moths--population increase

• Dark moths--hunted easily, dark moths--population increase

• Light moths--hunted easily, light moths--population increase

• Lights moths will change their color to match dark moths.

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TRUE or FALSE: Natural selection will still occur if individuals are exactly the same.

• TRUE

• FALSE

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How do you "win" at natural selection?

• survive

• go extinct

• survive & reproduce

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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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Natural Selection is driven by a change in the environment and survival of the

• Earth

• Fastest

• Fittest

• Biggest

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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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Change in a population over time that descend from a common ancestor.

• Natural Selection

• Selective Breeding

• Homeostasis

• Evolution

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Where do adaptations come from?

• The individual organism decides to adapt

• Mutations that give an organism an advantage in its environment

• Genetic recombination during meiosis

• Both mutations and genetic recombination are sources of adaptation

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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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