Q: 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
Let's think step by step below.

User
Most protists have motility. Protists Protists are single-celled organisms. Most single-celled organisms are motile.
Thus, the answer is (D).
Assistant