Evolution Review

Structures with the same parts have different functions; suggests that organisms share a common ancestry

• vestigial structures
• homologous structures
• adaptive radiation
• fossil

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Study of embryos of various organisms to show a common ancestor because of similarities in development

• natural selection
• embryology
• speciation
• evolution

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Two organisms that are closely related would have

• very similar DNA sequence
• exactly the same DNA sequences
• no proteins in common
• completely different DNA sequence

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What is a genetic characteristic that allows an organism to survive and reproduce?

• Population

• Generation

• Adaptation

• Predominance

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The differences among a species, like large and small bird beaks, are called:

• Species

• Breeds

• Variations

• Favorable traits

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Two populations of the same species are separated by land barriers like rivers or mountains.

• geographical isolation

• temporal isolation

• adaptive ratiation

• behavioral isolaton

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Changes in the gene pool over time.

• Mitosis

• Genetic Variation

• Gene Pool

• Genetic Drift

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Organisms of the same species can no longer interbreed therefore creating two species.

• Gene Pool

• Genetic Drift

• Gene Frequency

• Speciation

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Natural Selection is driven by a change in the environment and survival of the

• Earth

• Fastest

• Fittest

• Biggest

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A new river forms and splits two populations, causing ______________ speciation

• Sympatric

• Allopatric

• Extreme

• Convergent

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