Which of the following statements is correct?
A. Scientists do not have any evidence regarding whether prokaryotic or eukaryotic cells evolved first.
B. Eukaryotic cells evolved a lot earlier (over a billion years) than prokaryotic cells.
C. Prokaryotic cells and eukaryotic cells evolved at about the same time.
D. Prokaryotic cells evolved a lot earlier (over a billion years) than eukaryotic cells.
Answer: D
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What will be an ideal response?
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