Natural Selection Adaptations and Selective Breeding

Mules (Donkeys + Horse) are created by which process?

• Genetic Engineering

• Selective Breeding

• Natural Selections

• Adaptations

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Which is an example of SELECTIVE BREEDING ? (also called artificial selection)

• A giraffe’s long neck.

• Training a horse to run faster.

• Clipping a horse’s tail so it is not too long.

• Cross breeding a labrador retriever with a poodle.

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The purpose of selective breeding is to

• Create animals and plants with desirable traits

• Get smaller animals and plants

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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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A genetic characteristic that allows an organism to survive and reproduce.

• natural selection

• adaptation

• hibernation

• selective breeding

• hybridization

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The process where organisms best fit for the environment are more likely to survive and reproduce.

• natural selection

• adaptation

• hibernation

• selective breeding

• hybridization

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The process by which humans take control of the breeding process to choose favorable traits to be passed on.

• natural selection

• adaptation

• hibernation

• selective breeding

• hybridization

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In a population of desert plants, the timing of their blooming varies greatly. Some bloom early in the morning, others at mid-day, and others after dark. What environmental pressure might be an advantage for those plants that bloom after dark?

• there is an increase in the population of nocturnal pollinators

• there is a decrease in the strength of solar radiation

• there is an increase in herbivores that forage at night

• there is a decrease in water for root absorption

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NGSS.MS-LS2-4

Mountain lions are large cats and the top predator in their habitat. A population of mountain lions may vary in several characteristics. If a prey becomes scarce, competition between mountain lions for food will increase. Which variation would provide an advantage to the individuals that possessed it?

• a spotted coat

• short fur

• long legs

• abundant whiskers

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A farmer wants to increase the amount of food produced by corn crops. If the farmer selectively breeds the plants, for which trait should the farmer select?

• taller stems

• deeper roots

• resistance to pesticides

• more cobs on plant

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