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?

13). Autotrophic archaea obtain their carbon from _____.

20). Cyanobacteria fall into which Domain?

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Which of the following would not be included as a threat to construct validity?