What organism performs only anaerobic respiration for energy I need the answer to be five letters and as a hint, the third letter is a

Anaerobic cellular respiration

Some prokaryotes—bacteria and archaea—that live in low-oxygen environments rely on anaerobic respiration to break down fuels. For example, some archaea called methanogens can use carbon dioxide as a terminal electron acceptor, producing methane as a by-product.

Explanation: hopefully i helped

i think that the best answer would be c.

tell me if im wrong : )

the answer to your question is:

c. complementary base-pairing