Evolution Vocabulary Review

Which of the following is the best definition of the process of evolution?

• survival of the fittest

• change over time in the allele frequencies of a population

• the growth and development of an organism

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Which of the following defines natural selection?

• people selecting and breeding for the best traits

• change over time in a population

• nature causing mutations in the organisms DNA

• nature selecting the adaptations provide the greatest fitness

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____________ is a trait that is shaped by natural selection and increases an organisms success.

• adaptation

• mutation

• variation

• vestigial structure

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In evolution the ability to survive and reproduce is a measure of _____

• evolution

• adaptation

• fitness

• genetic drift

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Which type of structures share the same anatomy but have different functions?

• homologous structures

• analogous structures

• vestigial structures

The human appendix and the femur of a whale are thought to be remnants from a common ancestor - these are both examples of _______.

• homologous structures

• analogous structures

• vestigial structures

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A butterfly wing and a bat wing perform the same function but have different anatomy - these are examples of _____

• homologous structures

• analogous structures

• vestigial structures

Which type of anatomical structure is evidence of a common ancestor?

• homologous structure

• analogous structure

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The study and comparison of an organisms development BEFORE it is born is called _______.

• anatomy

• paleontology

• embryology

• biochemistry

Biochemistry is the study and comparison of ____

• DNA and protein sequences

• anatomical structures

• embryo development

• fossil patterns

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