Natural Selection Review (Addie L1-10)

How do you "win" at natural selection (survival of the fittest)?

• survive & reproduce to pass on genes (traits) to offspring

• adapt to the environment

• develop immunity

• be fit to survive in harsh conditions

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Survival of the fittest and evolution were proposed by what scientist?

• Albert Einstein

• Steven Hawking

• Charles Darwin

• Isaac Newton

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

• evolution

• adaptation

• fitness

• heredity

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

• weakest

• largest

• fittest

• strongest

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What is the definition of natural selection?

• the environment drives the changes of traits over time

• the least adapted organisms survive, reproduce, and pass on traits to their offspring

• the better adapted organisms survive, reproduce, and pass on traits to their offspring

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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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Why is the mouse population changing over time?

• the hawks eat more dark mice than light mice because they aren't camouflaged, leading to a higher population of light mice

• the hawks eat more light mice than dark mice because the light mice aren't camouflaged, leading to a higher population of dark mice

• the hawks eat both colored mice equally, leading to an equal distribution of both variations of mice in the population

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Almost all adaptations start off as a _____________.

• gene

• variation

• trait

• mutation

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How could natural selection explain the rise of "SuperBugs"/Nightmare Bacteria that aren't affected by antibiotics?

• superbugs survive antibiotics due to a mutation, allowing them to reproduce an entirely resistant population

• superbugs are killed by antibiotics but are still able to reproduce

• susceptible bacteria are exposed to antibiotics, survive, and reproduce an entirely resistant population

• all bacteria can be killed by antibiotics

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Humans have been very successful species on Earth. They have very large, diverse populations that are spread all around the world. This means that....

• humans cannot adapt to various environmental changes

• humans have the potential to change their genes on a whim to survive their environmental changes

• humans have the potential to adapt to various environmental changes

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