Natural Selection and Adaptations

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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Where do adaptations come from?

• The individual organism decides to adapt

• Mutations that give an organism an advantage in its environment

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Darwin wrote that organisms with traits that are best suited to the environment will ________________

• increase in number
  

• become extinct
  

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Which term refers to the process by which individuals that are better suited to the environment survive and reproduce therefore passing down their genes to their offspring? 

• Evolution 

• Variation 

• Adaptation

• Natural Selection 

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Survival of the Fittest and Evolution were proposed by what scientist?

• Charles Darwin

• Albert Einstein

• Steven Hawking

• Isaac Newton

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

• natural selection

• mutation

• camouflage

• adaptation

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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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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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Mutations are important because they bring about

• death of the organism in which they develop

• genetic variation needed for a population to evolve

• benefits for the individual, not for the population

• Hardey-Weinberg equilibrium within a population

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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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