What are single celled organisms that do not have a nucleus?\nOptions:\n- (A) Most plants\n- (B) nucleus\n- (C) ferns\n- (D) fossil fuels\n- (E) bushes\n- (F) Eukaryotes\n- (G) leech\n- (H) bacteria
Let's think step by step below.
(H)
Prokaryotes are single-celled organisms that lack a nucleus.

Prokaryotes are usually microscopic and bacteria is an example of a prokaryote.

Bacteria are single celled organisms that do not have a nucleus.

.

Thus, the answer is (H)