Trace elements are those required by an organism in only minute quantities. Which of the following is a trace element that is required by humans and other vertebrates, but not by other organisms such as bacteria or plants?

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#Question id: 4587

#XL - S Microbiology

Which one of the following statements best defines artificial selection?

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#Question id: 4588

#XL - S Microbiology

 Which statement illustrates the connection between natural selection and overreproduction of a population?

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#Question id: 4589

#XL - S Microbiology

Darwin used the phrase "descent with modification" to explain ________.

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#Question id: 4590

#XL - S Microbiology

Which of the following statements describe evolution?

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#Question id: 4591

#XL - S Microbiology

Which of the following factors could cause a surge in population size?

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#Question id: 4592

#XL - S Microbiology

Which of the following statements describe the effect of evolution on a population?