Evolution

____ is when members of a species that are best suited for their environment survive and reproduce at a higher rate than other members of the species

• natural selection
• artificial selection
• speciation
• adaptation

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What type of evolutionary pace is represented in the picture?

• Punctuated Equilibrium

• Gradualism

What type of evolutionary pace is represented in the picture?

• Punctuated Equilibrium

• Gradualism

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Which two numbers are most likely to share a resent common ancestor?

• 1 & 2

• 5 & 6

• 3 & 4

• 7 & 8

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Which of the following means "change over time"

• natural selection
• speciation
• evolution
• isolation

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The differences among a species, like different bird beaks, are called

• theories
• variations
• adaptations
• genes

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When lions prey on a herd of antelopes, some antelopes are killed and some escape. Which part of Darwin’s concept of natural selection might be used to describe this situation?

• reproductive isolation
• descent with modification
• acquired characteristics
• survival of the fittest

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According to Darwin’s theory of natural selection, the individuals that tend to survive are those that have

• characteristics their parents acquired by use and disuse.
• the greatest number of offspring.
• characteristics that plant and animal breeders value.
• variations best suited to the environment.

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Natural selection and evolution work on what level of life organization?

• individuals
• biomes
• populations
• ecosystems

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Comparing two individuals of a species, evolutionary “fitness” would be best measured by which of the following?

• the length and width of the individuals
• the number of offspring
• the mass of the food eaten in its life
• the mass of the individuals

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