Options are:
(A). barnacles;
(B). bacteria;
(C). Most plants;
(D). ferns;
(E). orchids;
(F). cacti;
(G). PDAs;
(H). Leeuwenhoek;
Given those answer options, answer the question: Fact 1: Prokaryotes are single-celled organisms that lack a nucleus. Fact 2: Prokaryotes All bacteria are prokaryotes. Given the two facts above, what are single-celled organisms that lack a nucleus?
A:
(B).