Science

Which best explains the relationship between evolution and natural selection?

• Evolution causes natural selection.

• Evolution prevents natural selection.

• Natural selection prevents evolution.

• Natural selection is one aspect of evolution.

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NGSS.MS-LS4-2

NGSS.MS-LS4-4

Over time, the length of giraffes’ necks changed slightly to allow them to reach taller trees. How should this change be classified?

• mutation

• adaptation

• acquired trait

• genetic constant

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NGSS.HS-LS4-2

NGSS.HS-LS4-4

NGSS.HS-LS4-5

Which represents an adaptation?

• a turtle with a damaged shell

• a cat that cannot see in the dark

• a bird with a curved wing that allows it to fly faster

• a dog that learns to bark when someone knocks on the door

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NGSS.MS-LS4-4

Which will most likely prevent a species from becoming extinct?

• absence of a predator species

• large habitat areas for the species

• genetic variability within the species

• adequate sources of water for the species

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NGSS.MS-LS3-2

NGSS.MS-LS4-4

A brown rabbit is easily hunted and killed in an arctic ecosystem. Which would be expected to appear most often in future generations born in the same ecosystem?

• grey rabbits

• white rabbits

• brown rabbits

• an even mix of grey, white, and brown rabbits

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NGSS.MS-LS2-4

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Which is true about the ability of a species to survive?

• A species that is able to migrate will more likely survive.

• A species that eats a specific food will more likely survive.

• A species with increased genetic diversity will more likely survive.

• A species whose individuals have identical traits will more likely survive.

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NGSS.MS-LS4-4

Which would most likely cause an entire species to become extinct?

• disease

• predators

• competition for food

• limited genetic variation

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NGSS.MS-LS4-4

The feathers of a wild turkey allow it to blend into its habitat. Which best describes this adaptation?

• mimicry

• predation

• camoflouge

• learned behavior

An arctic hare experiences a genetic variation that keeps its coat from changing to white for the winter season. Which element in the environment would pose the greatest threat because of this variation?

• pesticides

• predators

• pollution

• prey

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NGSS.MS-LS3-1

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Which best describes what would occur in a species that has little or no genetic variation?

• The rate of species survival would increase over time.

• The rate of species survival would decrease over time.

• Most of the offspring would survive, but the gene pool would be weakened.

• Most of the offspring would survive, and the gene pool would be strengthened.

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NGSS.MS-LS4-4