A. They have a nucleus
B. They are typically found in extreme environments
C. They are multicellular
D. They are autotrophic
Answer: They are typically found in extreme environments
A. They have a nucleus
B. They are typically found in extreme environments
C. They are multicellular
D. They are autotrophic
Answer: They are typically found in extreme environments
Additional Information: Archaea are often extremophiles, able to survive in harsh environments such as high temperature or salinity.
Subjects: Biological Classification, Biology