Natural Selection Exit Ticket

What is natural selection?

• process in which helpful traits become more common over time

• a trait that helps an organism survive better

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How do you "win" at natural selection?

• survive

• go extinct

• survive & reproduce

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A species could go extinct if:

• food becomes more plentiful.

• members of the species have adaptations to enhance survival.

• the environment changes drastically and no one can adapt.

• there is less competition for resources.

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In an environment without any predators, which of the following mutations would make a bird species more fit?

• a plumage color that matches the foliage color

• a larger body size

• a smaller body size

• a shorter and straighter beak shape

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The process by which organisms with variations that help them survive in their environment live longer, compete better, and reproduce more than those that do not have the variations. (a)  

• Evolution

• Creationism

• Natural Selection

• Mutation

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An inheirted trait that increases an organism's chance of surviving and reproducing in a particular environment. (a)  

• Variation

• Differentiation

• Adaptation

• Genetic Specialist

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Survival of the ​ (a)   means that individuals that are better adapted to their ​ (b)   survive and pass on their ​ (c)   more successfully.

• fittest

• environment

• traits

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In an environment with predators, which mutation would make a bird species more fit for the environment?

• plumage color that does NOT match the foliage color

• larger body size

• smaller body size

• shorter and straighter beak shape

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NGSS.MS-LS3-1

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When a species has a random mutation that makes that species more fit for their environment, what will be the effect on their population?

• Their population will increase over time.

• Their population will decrease (go down) over time.

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NGSS.MS-LS4-4

If a bird species has a random mutation that does not make them any more or any less fit for their environment, but the random mutation does make them more attractive as a mate, what will be the effect on the population of that bird species?

• Over time, the population rate won't change but more and more birds will have the new "attractive" mutation.

• Over time, the population rate will increase and more and more birds will have the new "attractive" mutation.

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NGSS.MS-LS1-4

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