Evidence of Evolution

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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The hind leg bones in a whale are examples of

• homologous structures
• analogous structures
• fossils
• vestigal structures

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Bird and butterfly wings have the same functions but different structures. What type of evolutionary evidence is this?

• Analogous structures

• Embryological development

• Genetic comparisons

• Homologous structures

When unrelated species evolve similar characteristics because they live in similar

environments

• Divergent Evolution

• Speciation

• Convergent Evolution

• Punctuated equilibrium

A number of different species arise from one common ancestor

- New environments caused differences to evolve in populations

• Convergent Evolution

• Divergent Evolution

• Coevolution

• Gradualism

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Which type of structure is depicted in the image?

• analogous structure

• homologous structure

• vestigial structure

• DNA

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Which is not evidence for evolution?

• many animals have homologous structures due to common ancestry
• Many animals have vestigial structures from an ancestor
• We can observe changes in life forms by observing the fossil record
• All of these are evidence for evolution

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How do fossils support evolution?

• The fossil record provides evidence that organisms have changed over time.

• Individual species disappear and reappear in the fossil record over time.

• The fossil record provides evidence that all organisms developed at the same time.

• Organisms in the fossil record are identical to living organisms.

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