36). Biologists generally rely on _____ to identify prokaryotic organisms.

4). Because of their preference for such extreme environments, _____ have been nicknamed “extremophiles.”

23). Because of antibiotics, bacteria are not genetically diverse.

3). What common energy source for many prokaryotes is NOT available at Lost City?

9). Archaea that “eat” methane are considered _____.

38). An organism that can survive at a pH over 9 would be classified as a(n) _____.

21). Nanoarchaeotes fall into which Domain?

37). What is a probable energy source for a microorganism that lives deep underground?

22). Bacteria lack a cell wall.

27). Can bacteria be used to clean up oil spills?