A. They are eukaryotic
B. They are found in extreme environments
C. They have a nucleus
D. They are autotrophic
Answer: They are found in extreme environments
A. They are eukaryotic
B. They are found in extreme environments
C. They have a nucleus
D. They are autotrophic
Answer: They are found in extreme environments
Additional Information: Archaea are often extremophiles, capable of surviving in extreme conditions like high salinity or temperature.
Subjects: Biological Classification, Biology