Why are archaea in a different domain from bacteria?

A. They had independent evolutionary development.

B. They shared a common ancient ancestor.

C. They are eukaryotes, but bacteria are prokaryotes.

D. They are multicellular, but bacteria are unicellular.

Archaea differ from bacteria in cell wall arrangement and differ from both bacteria and eukaryotes in membrane design and rRNA type.

These contrasts are important enough to warrant that archaea have a separate domain.

Thus, option "A" is correct, They had independent evolutionary development.

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Why are archaea in a different domain from bacteria? A. They had independent evolutionary development. B. They shared a common ancient ancestor. C. They are eukaryotes, but bacteria are prokaryotes. D. They are multicellular, but bacteria are unicellular.

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Why are archaea in different domain from bacteria?

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Why are archaea in a different domain from bacteria?

A. They had independent evolutionary development.

B. They shared a common ancient ancestor.

C. They are eukaryotes, but bacteria are prokaryotes.

D. They are multicellular, but bacteria are unicellular.