Evolution and Taxonomy Review

What is the term used to describe structures that have no apparent function but resemble structures their ancestors possessed?

• Homologous structures

• Vestigial structures

• Analogous structures

• Fossil structures

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Which of the following is an example of a vestigial structure in humans?

• The appendix

• The heart

• The brain

• The liver

What is the primary evidence for evolution that involves comparing the anatomical structures of different species?

• Fossil record

• Embryology

• Homologous structures

• Natural selection

Which of the following best describes analogous structures?

• Structures that have a common evolutionary origin

• Structures that perform similar functions but have different evolutionary origins

• Structures that are no longer functional

• Structures that are identical in all species

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What is the significance of the fossil record in understanding evolution?

• It shows the direct lineage of all living species

• It provides evidence of past life forms and their changes over time

• It proves that all species have remained unchanged

• It only shows extinct species

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How does embryology provide evidence for evolution?

• By showing that embryos of different species look completely different

• By demonstrating that embryos of different species have similar stages of development

• By proving that all embryos develop into the same species

• By showing that embryos do not change over time

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Compare homologous and analogous structures. Which statement is true?

• Homologous structures have different functions and different evolutionary origins

• Analogous structures have similar functions and the same evolutionary origins

• Homologous structures have similar evolutionary origins but may have different functions

• Analogous structures have different functions and different evolutionary origins

Explain how vestigial structures can be used as evidence for evolution.

• They show that all species have remained unchanged over time

• They indicate that species have evolved from ancestors with functional versions of these structures

• They prove that all species have the same structures

• They demonstrate that evolution is not occurring

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Analyze the role of the fossil record in supporting the theory of evolution.

• It provides a complete and unbroken record of all life forms

• It shows a progression of species changes over time, supporting the idea of common descent

• It only contains fossils of extinct species

• It disproves the theory of evolution

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How do homologous structures support the theory of evolution?

• They show that all species have identical structures

• They indicate a common ancestry among different species

• They prove that species do not change over time

• They demonstrate that all species have the same function

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