Natural Selection & Graphs

The trees these moths used to live on were white, but have been covered in soot from coal factories. Which moth will be more successful in this environment?

• Dark moth
• Light moth
• Both will be equally successful
• Neither will be successful

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Since the 1800s humans have stopped burning coal, and the trees have returned to their original color. Which moth will be more successful in this environment?

• Dark moth
• Light moth
• Both will be equally successful
• Neither will be successful

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What process is being shown in this image?

• Variation
• Natural Selection
• Selective Breeding
• Homeostasis

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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
• 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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A bird that can easily outcompete other birds for food and that can produce many eggs has a high

• life expectancy

• mutation rate

• fitness

• adaptability

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A measure of how commonly a particular allele occurs in a population is known as the

• gene pool

• allele frequency

• mutation rate

• phenotype

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The more genetic variation a population has,

the more likely it is for some individuals to

• evolve

• migrate

• survive

• mutate

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An organism's appearance or other observable characteristics:

• phenotype
• recessive
• genotype
• dominant

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