Question

this is the kingdom defined as simple, unicellular organisms that live in extreme environments. 6 points archaea bacteria this the kingdom defined as being unicellular organisms that are more complex than bacteria. 6 points protists fungi

Explanation:

Archaea are simple, unicellular organisms that often inhabit extreme environments. Protists are unicellular organisms more complex than bacteria.

Answer:

1. A. archaea
2. A. protists