Which of the following items is most likely to form a simple linear relationship with the number of gene-duplication events, when placed as the label on the vertical axis of the following graph?

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#Question id: 4564

#XL - S Microbiology

Who would have proposed that the boundaries between each stratum mark the occurrence of different localized floods?

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#Question id: 4565

#XL - S Microbiology

Darwinʹs mechanism of natural selection required long time spans in order to modify species. From whom did Darwin get the concept of Earthʹs ancient age?

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#Question id: 4566

#XL - S Microbiology

Which of these naturalists synthesized a concept of natural selection independently of Darwin?

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#Question id: 4567

#XL - S Microbiology

Charles Darwin was the first person to propose

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#Question id: 4568

#XL - S Microbiology

 In Darwinʹs thinking, the more closely related two different organisms are, the

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#Question id: 4569

#XL - S Microbiology

Which of the following must exist in a population before natural selection can act upon that population?