Natural Selection and Adaptations Review

What is natural selection?

• When reproduction occurs and mutations happen.

• When a offspring has the traits from its parents.

• When an organism is able to camoflauge in its environment.

• the process whereby organisms that are better adapted to their environment tend to survive and reproduce more offspring.

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In a cold environment what would be some adaptive traits? Sellect all that apply.

• thick blubber

• thick fur

• thin fur

• strong muscles

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What is a mutation?

• When animals have extra legs

• When a frog has 3 eyes

• When genes or DNA have been alterd or changed

• When RNA is upside down

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What is a trait?

• a color

• the quality or characteristic of an organism

• the DNA of an organism

• when mutatuons cause extra limbs.

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What must organisms do when an environment changes?

• Adapt

• Camoflauge

• become common

• fight

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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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Where the better adapted organisms survive to pass traits along to offspring.

• Evolution
• Natural Selection
• Extinction
• Artifical Selection

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

• natural selection

• mutation

• camouflage

• adaptation

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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 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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