Use reasoning to answer the following question.
What is one thing most single-celled organisms have in common?\nOptions:\n- (A) Energy\n- (B) glucose\n- (C) bacteria\n- (D) motility\n- (E) Energy.\n- (F) heat energy\n- (G) resistance\n- (H) warmth

(D)
Most protists have motility.

Protists Protists are single-celled organisms.

Most single-celled organisms are motile.

.

Therefore, the answer is (D)