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In which domain(s) are single-celled organisms found?

A.
Bacteria and Eukarya


B.
Archaea and Eukarya


C.
Only Archaea


D.
Bacteria, Archaea, and Eukarya

2 Answers

4 votes

Answer:

b

Step-by-step explanation:

User Jan Omacka
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The single-celled organisms are found in Archaea and Eukarya. The Eukarya believed to be originated from Archaea. Eukarya contains a membrane - bound nucleus while the archea has no nuclear membrane. The answer is B. I hope my answer helps you. 
User Machzqcq
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