Calculate the number of times the DNA of a modern E. coli cell has been copied accurately since its earliest bacterial precursor cell arose about 3.5 billion years ago. Assume for simplicity that over this time period, E. coli has undergone, on average, one cell division every 12 hours (this is an overestimate for modern bacteria, but probably an underestimate for ancient bacteria).

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#Question id: 4699

#Zoology

The theory of evolution is most accurately described as

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#Question id: 4700

#Zoology

Which of the following is not an observation or inference on which natural selection is based?

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#Question id: 4701

#Zoology

Charles Darwin discussed all of the following EXCEPT:

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#Question id: 4702

#Zoology

Which of the following is correct match?

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#Question id: 4705

#Zoology

Darwin and Wallace's theory of evolution by natural selection was revolutionary because it ________.

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#Question id: 4706

#Zoology

Which of the following statements best explains why modification or change in an organ or tissue during the lifetime of an individual is not inherited?