Evolution Vocabulary Quiz

To ensure the survival of a species, organisms must be able to

• kill competitors

• reproduce successfully

• obtain enough food

• maintain homeostasis

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Which of the following factors is necessary in order for natural selection to occur in a species?

• genetic variation within a population

• an abundance of food resources

• a hospitable environment

• a strong family structure

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Which of the following is NOT an example of natural selection?

• giraffes passing on their long tongue trait to their offspring

• insects passing on resistance to pesticides to their offspring

• farmers selectively breeding their cows to produce more milk

• male birds developing bright colored feathers to attract their mates

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When evolutionary changes like this occur when organisms with favorable variations for a particular environment survive and pass these variations on to the next generation. This process is known as

• natural selection

• punctual selection

• genetic engineering

• speciation

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According to Darwin’s theory of natural selection:

• Populations tend to overproduce

• Some individuals are better adapted to competition

• Limited resources put limits on population growth

• All of the above

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When certain genes make organisms more likely to survive and reproduce, which process can occur?

• adaptation

• selection

• selective breeding

• isolation

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Evolution is a change in the frequency of __________ from one generation to the next.

• dominant physical traits

• a specific allele

• habitat

• offspring

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Which statement best describes the process of evolution?

• Populations can survive in different locations.

• Populations grow when resources are plentiful.

• Conditions limit the number of species on earth.

• The characteristics of a species can change over time.

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Modern horses developed thier traits through natural selection. What occurs during the process of natural selection?

• Only the fittest organisms survive and reproduce

• Organisms choose mates from other species.

• Breeders cross organisms with desirable traits.

• Organisms remain exactly the same over many generations.

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Which of these would be considered an adaptation of an animal that lives in the snowy tundra?

• a thick coat

• green colored skin

• large flat leaves

• webbed feet

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