Unit 6 Review

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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Adaptations can be:

• camouflage

• ability to survive cold weather

• hunting skills

• all of the above

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Differences in traits are called:

• natural selection

• genetic variations

• artificial selection

• adaptations

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Natural selection occurs during the lifetime of a single organism.

• True

• False

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NGSS.MS-LS4-4

What is most likely to happen to moth populations in the picture shown?

• Light moths--hunted easily, dark moths--population increase

• Dark moths--hunted easily, dark moths--population increase

• Light moths--hunted easily, light moths--population increase

• Lights moths will change their color to match dark moths.

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NGSS.MS-LS4-4

NGSS.MS-LS2-4

TRUE or FALSE: Natural selection will still occur if each individual has the same exact traits

• TRUE

• FALSE

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How do you "win" at natural selection?

• survive

• go extinct

• survive & reproduce

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NGSS.MS-LS1-4

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 that helps an organism survive in its environment?

• natural selection

• mutation

• camouflage

• adaptation

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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

Tags

NGSS.MS-LS4-4

NGSS.MS-LS2-4