Artificial Selection

Which statement is true comparing natural selection and artificial selection?

• In natural selection, traits benefit humans and in artificial selection, the traits benefit the species

• In natural selection, traits benefit the species and in artificial selection, the traits benefit humans

• In natural and artificial selection, the process takes hundreds of years to occur

• In natural and artificial selection, nature determines what traits will be passed down to offspring.

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Artificial selection is also known as

• natural selection

• selective hearing

• genetic manipulation

• selective breeding

When humans select desirable traits to be passed down to offspring

• natural selection

• artificial selection

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Artificial Selection is

• a new concept

• discovered by Darwin and used ever since

• used for thousands of years

• a 19th century concept

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Artificial Selection decreases diversity which is bad because

• organisms with same traits will refuse to reproduce with each other

• organisms with all the same traits are susceptible to extinction.

• organisms with the same traits will be very aggressive

• organisms with same traits collectively get smarter and will some day rule the world

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When a farmer breeds only his or her best livestock, the process involved is.......

• natural selection

• artificial variation

• artificial selection

• survival of the fittest

The primary difference natural and artificial selection is

• In nature selection the “pressure” comes from the environment; In artificial selection the “pressure” comes from humans (or another species).

• In artificial selection the “pressure” comes from the environment; In natural selection the “pressure” comes from humans (or another species).

• Natural selections is when humans breed the animal; Artificial selection is when humans direct genes directly.

• They are different terms for the same concept.

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Which of the following is an example of artificial selection?

• A) Wolves hunting in packs

• B) Farmers breeding cows for higher milk production

• C) Birds migrating south for the winter

• D) Fish developing camouflage in coral reefs

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What is a potential disadvantage of artificial selection?

• A) Increased genetic diversity

• B) Decreased susceptibility to diseases

• C) Reduced genetic diversity

• D) Enhanced natural adaptation

How does artificial selection differ from genetic engineering?

• A) Artificial selection involves direct manipulation of DNA

• B) Genetic engineering selects traits through breeding

• C) Artificial selection relies on natural mutations

• D) Genetic engineering involves direct manipulation of DNA