Natural Selection pre Quiz

A slight difference in an inherited trait between individual members of the same species.

• variations
• adapatations
• homologous structures
• analogous structures

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NGSS.MS-LS4-4

Body parts of organisms that are the same in structure and position but different in function.

• embryos
• homologous structures
• analogous structures
• vestigial structures

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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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NGSS.MS-LS4-4

A species could go extinct if:

• food becomes more plentiful.

• members of the species have adaptations to enhance survival.

• the environment changes drastically and no one can adapt.

• there is less competition for resources.

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Natural selection occurs during the lifetime of a single organism.

• True

• False

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-LS2-1

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A grizzly bear survives because he is well-adapted to his environment. When he reproduces he passes on those traits to his offspring. this process is called

• Natural Selection

• Selective Breeding

• Random mutations

• Variations in a species

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NGSS.MS-LS4-2

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It took millions of years for giraffes to develop long necks. Slow evolution is called:

• Punctuated equilibrium

• Survival of the fittest

• Gradualism

• Selective Breeding

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The peppered moth's color camouflaged it on the light colored tree bark. It's color was an example of a/n

• Variation

• Dominant trait

• Recessive trait

• Adaptation

Tags

NGSS.MS-LS4-4