If ʺxʺ indicates the location of fossils of two closely related species, then fossils of their most-recent common ancestor are most likely to occur in which stratum?

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#Question id: 31575

#Microbiology

Edward Jenner introduced vaccination against 

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#Question id: 4562

#Microbiology

Which stratum should contain the greatest proportion of extinct organisms?

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#Question id: 4564

#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

#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

#Microbiology

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

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#Question id: 4567

#Microbiology

Charles Darwin was the first person to propose