Evolution Vocabulary

The wings of flightless birds, like the ostrich, are an example of

• vestigial structures

• analogous structures

• fossils

• adaptations

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the study of chemistry in living organisms (nucleic acids and proteins) to show evolutionary relationships

• paleontology

• biogeography

• biochemistry

• embryology

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Migration is an example of

• genetic equilibrium

• sexual selection

• gene pools

• gene flow

A physical trait that increases an organism's ability to survive and reproduce

• gene pool

• vestigial structure

• anatomy

• adaptation

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sudden elimination of a species due to a catastrophic event

• coevolution

• gradualism

• mass extinction

• gene flow

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rapid evolutionary change to a species followed by years of stability

• punctuated equilibrium

• convergent evolution

• descent with modification

• sexual selection

biological change over time that causes descendents to be different from their ancestors

• evolution

• gradual extinction

• biogeography

• paleontology

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Principle of natural selection that explains how beneficial traits should become more common over time, causing a change in allele frequencies

• divergent evolution

• descent with modification

• analogous structures

• embryology

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When different species have a similar body structure because of sharing a common ancestor they are called

• homologous structures

• analogous structures

• vestigial structures

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Study of embryo development

• embryology

• paleontology

• intelligent design

• biochemistry

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